Where can I download new anime for PSP? Or what can I use to convert files...

Try torrent sites. I know Demonoid has PSP downloads, but I think you have to be a member (membership is free if you can find someone to give you a referral code). You can also try www.torrents.to which is a site that searches other torrent sites, like Pirate's Bay, Mininova, seedpeer, torrentvalley... It saves time if you're looking for something specific. You can also try some of the anime subbing sites, if you're going the MP4 conversion route... Boxtorrents is usually really good about only carrying things that are legal to download. They handle fansubs (which aren't always as bad as some people think, just make sure you find a good subbing group). The thing with Box is, they only carry sets, not individual episodes. Anisuki (i think is how it's spelled, or animesuki) is another really good site. They handle alot of hot stuff, and do episode by episode, so you can grab a few here and there to see if you like it, rather than downloading the whole series to find out it's Yaoi, and you're not into Yaoi... (which actually happened to a friend of mine. LOL). Hope that helps.

I suggest googling and downloading the program 3GP converter if anyone on this thread still needs a good converter. Email me at ichimokurenlove@gmail.com if anyone is interested in this freeware and have a hard time looking for it. It's a program that executes itself and there is no installation needed so it's pretty neat. ^^ Its free and does not contain any type of malware or anything of that sort at all.