This is a full guide about Apple iPhone, iPhone 3G, it should be easy to understand and help you rip DVD and Convert video to iPhone, iPhone 3G expertly. You can also learn how to download free video for iPhone, iPhone 3G from this iPhone guide, index as follow:

Part 1: Simple introduction about iPhone 3G
Part 2: How to rip DVD to MP4 for iPhone, iPhone 3G
Part 3: How to convert AVI, MPEG, FLV, WMV, MOV, ASF, MP4, DAT, RM, RMVB, MPG, 3GP to MP4 for iPhone, iPhone 3G on Windows
Part 4: How to download free video and rip CD to MP3 for iPhone, iPhone 3G on Windows
Part 5: How to convert DVD to MP4 for iPhone, iPhone 3G on Mac
Part 6: How to convert videos to MP4 for iPhone, iPhone 3G on Mac

Part 1: Simple introduction about iPhone 3G
Apple has unveiled a second generation of its iPhone, with support for faster 3G wireless networks. The company is hoping to boost its share of the smartphone market, which is dominated by Nokia and Blackberry.
The new devices were launched by Apple boss Steve Jobs who said the phone would be ""more affordable"" for consumers, starting at $199 (£100). The new iPhones have been launched on 11 July in 22 countries, including the UK.
The new iPhone also comes with GPS satellite navigation built in for location-based services.
3G iPhone was ""three times faster"" downloading content over a mobile network compared to the original device.
For more iPhone 3G info you can click here.

iPhone Supported Video format:
H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;

H.264 video, up to 768 Kbps, 320 by 240 pixels, 30 frames per second, Baseline Profile up to Level 1.3 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;

MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats.



Part 2: How to rip DVD to MP4 for iPhone, iPhone 3G on Windows
Step1. Download Aimersoft iPhone Converter Suite, install and run it. For Windows Vista user, you may have to run this program as Administrator, right click the program shortcut and click “Run as Administrator”.


Step2. Run the DVD to iPhone Converter Load your DVD by clicking “Load DVD” button, you also can load IFO file from your hard drive by clicking “Load File” button.



Step3. Click the drop download list to select the Audio and Subtitle you want, you also can change the output location. A regular DVD movie has several titles, such as MTV DVD, by default, this software will merge all the DVD chapters into one video clips, you can check the click box before the title list to select any DVD clips you want to rip.
As format: This software support three Apple products: iPhone, iPod and Apple TV. It can rip DVD to MP4, M4A; it also can rip audio from DVD to MP3, AAC. Just select “iPhone Video MPEG-4 (*.mp4)”


Part 3: How to convert AVI, MPEG, FLV, WMV, MOV, ASF, MP4, DAT, RM, RMVB, MPG, 3GP to MP4 for iPhone on Windows
Step 1. Click “Video to iPhone Converter” to load theAimersoft Video to iPhone Converter. Then click “Add” button to load video files. This software support batch conversion, so you can add several video clips at one time.



Step 2. The operation is similar with DVD to iPhone Converter, this software can join several different video clips into one file, if you want to join video, just check the box “Merge into one file”. You also can customize the resolution, video bit rate, encoder, frame rate, audio bit rate, channel, etc in the setting panel by clicking the “Settings” button. The program also let you create a profile and save it, then you can use different settings for each video clips.

Step 3. Click “Start” button to start the conversion after you finish the settings.

Part 4: Where to download free video and rip CD to MP3 for iPhone on Windows.
Everyone wants to get free video for iPhone, but it is really hard to find free video resources, here are some statements about free video:
1. iTunes store: $0.99 for one song, $9.99 for one movie, $19.99 for one TV show. Just install iTunes and visit the iTunes store.

2. Limewire is fast and popular file sharing freeware working on Windows, Linux and Mac OS. Through the P2P (peer-to-peer) network, you can free download various files by its category or keyword searching.

3. Other stream video website such as video.yahoo, Myspace, etc. here is a list of free stream video website
http://www.dvd-video-converters.com/freeresource.html.

here is a guide to show you how to download stream video with
http://vixy.net,
http://keepvid.com and
http://www.mozilla.com/en-US/firefox.
http://www.dvd-video-converters.com/dvdvideoguide/youtube-video-to-ipod-guide.html
the download stream video is flv file, if the free online flv converter couldn’t deal with it, you can use try SUPER or Aimersoft iPhone Video Converter, and they can convert flv video to any format you want.

4. Rip your own CD to MP3 for iPhone; iTunes can help you to do that. Install and run iTunes, click “Edit -> Preference -> Advanced -> importing tab” to change the “Import Using” to MP3 Encoder, you can also customize the audio bit rate here. Then click OK and put your CD into your disc drive, iTunes will automatically recognize that you’ve loaded a CD. Now you can either choose individual songs for import by checking only the tracks you want and un-checking all the rest (all songs are selected for import by default). Simply click the Import button on the upper right corner of iTunes and let the software do the job. All of the selected files will be encoded into MP3 digital music files and saved in your iTunes music directory by Artist and Album. (If you’re not sure where to locate your files, you can find out by going back to the “Edit -> Preferences -> Advanced tab”. Here you can see the default iTunes Music folder location.


Transfer music and video to iPhone
You need iTunes version 7.30 or later to sync music and video to iPhone.
If you don’t have iTunes yet, you can download free from here.
http://www.apple.com/itunes/download,
If you already have iTunes, just create a play list; drag your music and video to the list, connect your iPhone to computer via USB cable, then click iTunes “File -> Sync iPhone”, Done.

Part 5:  How to convert DVD to MP4 for iPhone, iPhone 3G on Mac


Step1. Please download iSkysoft DVD to iPhone Converter for Mac; you can know more about it by visiting here. Then install the software and run the software.
 
Step2. Add DVD Movie
Click the Load DVD button, browse your computer, find the DVD folder of the movie you want to add from your hard disc or DVD-ROM, open your DVD folder, select the VIDEO_TS folder and click OK.
Or, click the Load IFO button, browse your computer, find the DVD folder of the movie you want to add from your hard disc or DVD-ROM, open your DVD folder, open the VIDEO_TS folder, select all the IFO files and click OK.


After you add your movie, you can choose any titles or chapters that you want to convert by ticking the check boxes before them..

Step3. Output Settings
At the bottom of the main window, you can name the output file for the current title/chapter, and select a subtitle to put on your movie, select an audio track. Then finish all the settings including selecting an output format, clicking the Settings button to set the video and audio encoding settings, choose if to merge the selected titles or chapters into one file, and set an output directory to save the output files.



Step4. Start Conversion
After setting the output settings, you can just click the Convert button to start converting your Movie. You can choose to shut down your computer or open the output folder after conversion so you don't have to sit before your computer waiting for the conversion to finish.


Part 6: How to convert videos to MP4 for iPhone, iPhone 3G on Mac
Step1. Please download iSkysoft iPhone Video Converter for Mac; you can know more about it by visiting here. Then install the software and run the software.
 
Step2. Add Video files
Click the "Add Files" button to add video files to the program by automatically selecting an appropriate encoder for the video files you wat to convert to the program.



Step3. Output Settings
After you add video files, you can select an output format for each video file and specify a directory on your computer to save the output files. If you want to merge all added video files into one file, you can check the "Merge into one file" option. If you don't want to use the default video and audio encoding settings, just click the Settings button to set these settings.


Step4. Start Conversion
Click the Convert button to start conversion and then you can just go out for a walk or take a nap, and the conversion may have been finished when you come back: )

@GoodD : thank for help me that..

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and get more information here: http://www.nidesoft.com/video-converter.html

It surpass other video converters for its unique features:
〉Convert between all popular video and audio formats including AVI, MPEG, WMV, MPEG1/2/4, 3GP,

H.264, MP4, DVD, VCD, SVCD, MOV, MP3,etc.
〉Convert FLV format (such as youtube, Google Video, Yahoo Video, Myspace Video) to iPod,

support video crop mode setting and various output resolutions.
〉Customize output file: setting Video Bitrate, Audio Bitrate, Video Size and Volume.           

 
〉The Video Converter allows preview; Allows you to select target subtitle or chapter.
〉You could keep the default settings or set parameters of the video and audio codes by

yourself.
〉Easy and simple to use for beginners; ?
〉Very fast converting speed and excellent video quality;
〉So easy to use that only a few clicks are enough; Codes are all built-in;
〉Optimized for Processor (SSE2/SSE/MMX/3DNow!) and Graphics Card Acceleration. The new version

provides more friendly interface and better quality.
〉Fully optimized for Dual Core, Hyper-Thread processor.
〉Up to 4x faster than other software. Provide >400% converting speed, beyond your imagination;
〉Free Update!!! Very good Day Email Service.
I prefer Nidesoft Video Converter. It is an excellent video converter with powerful functions.

It surpass other video converters for its unique features:
〉Convert between all popular video and audio formats including AVI, MPEG, WMV, MPEG1/2/4, 3GP,

H.264, MP4, DVD, VCD, SVsCD, MOV, MP3,etc.
〉Convert FLV format (such as youtube, Google Video, Yahoo Video, Myspace Video) to iPod,

support video crop mode setting and various output resolutions.
〉Customize output file: setting Video Bitrate, Audio Bitrate, Video Size and Volume.           

 
〉The Video Converter allows preview; Allows you to select target subtitle or chapter.
〉You could keep the default settings or set parameters of the video and audio codes by

yourself.
〉Easy and simple to use for beginners; ?
〉Very fast converting speed and excellent video quality;
〉So easy to use that only a few clicks are enough; Codes are all built-in;
〉Optimized for Processor (SSE2/SSE/MMX/3DNow!) and Graphics Card Acceleration. The new version

provides more friendly interface and better quality.
〉Fully optimized for Dual Core, Hyper-Thread processor.
〉Up to 4x faster than other software. Provide >400% converting speed, beyond your imagination;
〉Free Update!!! Very good Day Email Service.

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