I hope I'm not flogging a dead horse with this thread...
In case anyone is interested, here's a video on vimeo of a public domain font from the X11 project scrolling across an 8x10 LED matrix.
And in case anyone is curious and didn't already know, you can retrieve any font (I think) from an X11 server as a BDF file with 'fstobdf', and you can list available fonts with 'fslsfonts'.
@Shutter - let me know if you still want to do a marquee library.