Use the phosphor screensaver (written by jwz) in the xscreensaver distribution together with Lynx/Elinks, as it can function as a terminal emulator:
/usr/lib/xscreensaver/phosphor -scale 1 -program "lynx -dump http://www.jwz.org/blog/2011/11/watch-a-vc-use-my-name-to-se... | less"
http://www.classic-computers.org.nz/blog/images/2011-04-24-i...