ok here it goes this is really easy to do. you will need an internet connetion.
1. first go to settings and enable flash player(you dont need to do this but it makes it better)
2. go to your internet browser and delete all the cookies, chaches in the setting (it wont hurt your psp in anyway)
3.while in the settings set the home page as file:/pspwxp/index.htm
4. next you will need to download this file
http://www.esnips.com/doc/0620ba1c-fb9b-4021-8674-a947164c28d7/PSPWXP ( sorry dont know how to hyper link)
5. you will need to unzip it
6. next just plugin your psp and just drag it onto your psp not in any folder just (ontop)
your done. you dont need an internet connection to use it (enableing flash player opstional)