A full screen slide show in a plain htm page?
http://meyerweb.com/eric/tools/s5/s5-intro.html
How to
http://golem.ph.utexas.edu/instiki/show/S5
Slidy
http://www.w3.org/Talks/Tools/Slidy/#(1)
php operators in case I need to deploy this on a budget server
http://www.tizag.com/phpT/operators.php