Editing General Templates

How can I add new frames, images and text in my forum index by modifing the HTML templates? Is there a tutorial for tamplate coding? I searched the internet but couldn't find...

you would need to be more specific in what you would want to add. For example ads could go in the overall header template or footer, things like flashy cursors would go in the footer. For the most that is the two you would be using i would imagine.

Thank you for your reply!
If would be great if you can give me an example of how to put ads and images in the footer. And am I able to add a code like this in the bottom of forum index or maybe in reply window? <a href="link"><img src="link" style="width: 120px; height: 30px; border: 0px;"/></a> It's a code for a non-flash image ad.