I Have released a new portal that you can download from this site
http://www.sendspace.com/invite/4slnq5
It has
130 Flash Games
29 Apllications
Links To All The Best Sites
Every Released Demo
Ultimate PSP Live
How to Install Ultimate PSP Version 1.0
First of all Unzip the file
Then add the Ultimate PSP folder into the folder on your PSP that is called Common
Then on yor psp browser type file:/psp/common/UltimatePSP/UltimatePSP.htm