Here is a comprehensive list of different kinds of ticker codes I found around the net.
Typewriter Effect News Ticker with HTML styling:
return-true.com/2012/01/html-compatible-jquery-typewriter/
Typewriter Effect News Ticker without HTML styling but with timing controls
jsfiddle.net/stevenchu/ezEtK/
Typewriter Effect, Word Scrambler, Word Unscrambler Effect, but not a ticker
onehackoranother.com/projects/jquery/jquery-grab-bag/text-effects.html
Reveal Effect News Ticker with Previous & Next Navigation Buttons
www.jquerynewsticker.com/
Horizontal Smooth Scrolling News Ticker Feed
www.gcmingati.net/wordpress/wp-content/lab/jquery/newsticker/jq-liscroll/scrollanimate.html
Vertical News Rotator
workshop.rs/demo/news-ticker-in-4-lines/
Fading News Rotator
webdesignfan.com/building-a-compact-jquery-news-ticker/