I bet somebody has already mentioned it, since everybody always beats me to these things, but I searched and didn't find anything about this.
Some of the icons are changed to other icons.
The mod badge is the AIM icon, the quote icon is the mod badge and the website icon is the quote icon.
This is the image properties for the mod badge.
When I opened the image in a new tab, it was the same. And when I ctrl-F5'd it was still the same.
I'm using Opera 8.51
Also, this happened to me a few days ago and it just went away on its own. I'm going to clear the cache after I hit submit and see if that fixes it.