Let's say you have a stream page and want to provide a link back to SDA. How, you wonder, would you do that? Copy and paste the following code into your stream page (on Twitch, put it at the start of your Long Bio section).
<a href="http://speeddemosarchive.com" target="_blank">
<img src="http://speeddemosarchive.com/SDA-twitch-promo-01.png" alt="Speed Demos Archive"
title="Speed Demos Archive: gaming done quick" style="margin-bottom:10px;" /></a>
That will put a link in your stream page that looks like this:
Other images are also available. You can replace the 01 in SDA-twitch-promo-01.png with your favorite of the following:
01 -
02 - 
03 - 
04 - 
05 - 
06 - 
07 - 