and everything works fine on IE 6 and 7, as well as Opera, all on a PC. However, in Firefox, on the index.htm page the table I have set up slides over to the right.
Rather than putting them in a table, why don't you just wrap both images in a div, and float one image left and one right. The div itself you would pull a text-align: center with the ol' margin: 0 auto. I'm pretty sure that would help.