CODE
http://rapidshare.com/files/258880438/Photoshop_Portable_11.0_cs4.rar.html
1: un-rar it
2: execute photoshop.exe
3: input letter flashdrive / exp: H:\
4: run photoshop from flashdrive
or, just extract it and copy and paste that folder where ever the hell you want it and run photoshop =D