To use an image below, insert the following into your html, changing the "bannerprofit.gif" as necessary (see also this automatically-updating ad, these Phone In Sick Day banners, and be sure to visit the Leonardo banner support site):
<a href="http://rtmark.com/"><img
src="http://rtmark.com/rtmarkprofit.gif" width="468" height="60" alt="RTMark: No limit to our bottom line." border=0></a>
Here are some historic Y2K banners:
Finally, a clarification of a different group's banners: