ECNet, I've added a bit of code to contain the images in IE11. Give a try to view that page on ubbcentral, and tell me if its working out for you as expected.
Thanks!
Additional reading regarding "Microsoft Internet Explorer Conditional Comments," updated September 2012.
"Important As of Internet Explorer 10, conditional comments are no longer supported by standards mode."
source:
https://msdn.microsoft.com/en-us/library/ms537512%28v=vs.85%29.aspx?f=255&MSPPError=-2147217396
