just to add to your problem :) it works perfectly in IE9 beta
I am guessing there is something set in the 2nd dropdown slightly different? is it a repeat image setting? Try setting it not to repeat.
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.