I thought I'd share this with anyone who's playing Monster Hunter on PSP, and whom also has a PS3 and is interested in using the 2 to get you playing that Monster Hunter of yours on the internets like it should be played.
I managed to find a tutorial post by some of the mods on the OFFICIAL CAPCOM usa forums. It gives detailed instructions on how to get/download yourself a copy of AdHoc Party, config it, and finally how to use it to play MH online with other English speaking players. Here's the link.. Enjoy..: http://tinyurl.com/q6jom2