These Themes are my Favorite Themes i made this pack these work for official firmware.
LINK

http://www.megaupload.com/?d=LD03SQVZ

Directions

Step 1- Connect PSP to USB mode

Step 2- Go to PSP>THEME (if you havent made folder make it called THEME must be in Caps)

Step 3- get out of USB mode and go to Settings>Theme Settings>

Step 4- Congratulations You have themes on PSP.

Pleace say thank you if you download.

EnJoY!