File types: ASF, AVl, FLV, M4V, MOV, MP4, MPG, and WMV. Check out this site for help, but i don't know what they're talking about: http://playstation.custhelp.com/cgi-bin/playstation.cfg/php/enduser/std_adp.php?p_faqid=333&p_sid=i_hgB1uj&p_lva=1119 and how do you use media manager and RealPlayer to download videos onto your psp?