Within your repeat region you would put the contents in a div that has the align property set.
<div style="float:left">[your content]</div>
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.