You probably just need something like:
<img src="membersPage/avatar/thumbnails/<?php echo($rs_birthdays->getColumnVal("avartar ")); ?>">
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.