ZiNgA BuRgA Wrote:Well, last night I took the AVC and MP3 streams I usually mux into the PMP container, and instead, sent them through Mp4box.  Turns out that PPA didn't play them though (when you select the file, there's a black screen for one second, then it returns to the menu)   I guess you need to do something else to the MP4s before they're playable.

Just make the MP4 files like you would for playback in the XMB, with a max size of 480x272. (XVID4PSP, or your normal method)