First of all, Bravias are quite picky and usually support only the bare minimum of media formats. PS3Mediaservier might work around this by transcoding (I don't know it in detail), BUT this is usually based on the user-agent of the controlling instance. Which is not the TV in your case but Helium, so the user-agent regexes in the Bravia*.conf don't match. As for images, psm doesn't seem to support JPEG transcoding; the Bravias only do 640x480 IIRC; easy to test if you check with the internal DLNA server on the N9 which does JPEG transcoding (as it's mandatory for DLNA).