PiMPStreamer the PC to PSP streamer comes with a new edition:
-RSS feeds support.
simply drop an link (to a rss/xml file) onto the pimpstreamer feedlist and you can watch RSS feeds comfi with your PSP (1.5 only). Look for special dir:/http:// entries in the listing in PiMPStreamer. One click on your psp will start the download of the feed.
-MP3 support (kinda)
-ini file settings:
extensionlist = comma separated list of extensions pimpstreamer should read.
(it is up the ffmpeg avcodec lib if it is really supported)
further additions see update.txt
BTW.. only 1 (!!) donation I received.. :) I don't mind, I have a 1.5 :)