I had a problem with mplayer theme colours. Never with the picture itself. Don't know if my experience is of any use to you but you may try mplayer with 16 and 24 colour depth and with sse and sse2 use flags if supported by your cpu to see if it makes any difference.
> My gmplayer screen (using the X11/Xv video driver (which is the only > driver that provides adequate full-screen performance)) is showing blue. > The movie's sound comes through, but no picture - just that blue screen. > I seem to remember someone had this same problem several months ago, but > I cannot seem to find the thread in the archives at gmane.org. Can > anyone help me? -- gentoo-user@gentoo.org mailing list