I visited this link http://javascript.internet.com/misc...ndom-image.htmland used the random image generator that the site gave you but using that code I dont understand how to make the images smaller. The images take up the full screen even if you put them in a table and make the table really small.

Hmm.. well, I'd love to help, but the page is a 404: it's not found. Perhaps you mispelled something in the link?

http://javascript.internet.com/miscellaneous/random-image.html

It displays the images as they are. How big are the images you're trying to use - do they take up the entire screen even when they're not in the script?