Making files smaller

[VDOgmr]

Hey guys,
I was wondering what compression program do you all use? The reason why I ask is because I'm trying to make a video file smaller so that I can put it out on photobuckets site.

Thanks

[jordanroch]

WinAVI for PSP (MPEG 4)

for games, i use YACC (Yet Another CSO Compressor) -{Brill compression}