I was wondering, is there any way to tell how many megabytes a GBA Rom would take up before downloading it?

That would be totally awesome!

I was just wondering if anyone could give me the exact link of ffmpeg and instructions on like what to type once ffmpeg is open because I have been dying to try it out but I have absolutely no idea whatsoever on what to do or how to do it. Thanks.

Hey tangrs I was wondering how to convert a movie for this. I already have the moviecompile.exe file, but I don't really have a clue how to compile everything in the beginning or what you meant when you said," Go into the source code and change the movie filename. Change into the directory and run make and it should compile everything."