i have used tmpgencDVD now i have to shrink the output file
can anybody help

yes, i agree with you, DVD Creator has more advantages than the shrink:
1. It is very easy to see the speed is faster, and the way is more efficient. 
2. Also you can change the bate rate easily. And higher bate rate leads to better quality and bigger size.
3. The support profile is much more, so you can use on more player.

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AVI to DVD for Mac, a profeesional but easy-to-use DVD burn software for Mac users, can convert AVI to DVD format on Mac OS X perfectly and quickly. The AVI to DVD Mac not only supports converting AVI to DVD Mac but also supports other popular formats to DVD on Mac, such as MPA, ASF, DIF, H261, YUV, NUT and so on.
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