The promotion slider doesn't display images correctly on IE8. I had this problem earlier, and this fix worked:
Added this to line 762 of my active theme's style.css file under the #content img rules:
The fix was broken when I upgraded WordPress, and re-applying it didn't work.
Promotion Slider: 3.3.1
About 25% of the visitors are running IE8 (from Google Analytics), so I'd really like to fix this soon.
I really like the promotion-slider (other than the IE8 glitch). Workaround---is it possible to include code to not display the promotion-slider if IE8 is detected (or display a static image)?