How to Make a Normal AVC Video Compatible on the PSP.
Programs:
Atomchanger (http://rapidshare.de/files/5845969/atomchanger.rar.html)
1) First go to Start > Run > and type "cmd"
2) Then when this pops up type the correct address to the atomchanger exe. After that your cmd should look like this:

3) Now type atomchanger again with the root added, follwed by the name of your original file with the root (all this in parenthesis) then type something for the name like "MAQ11111.MP4" and last atomavc.ini.

4) Then a bunch of info comes up about the file. When it is done you will know by how you can now type in stuff as previously it went away.