After going into 'Show All Tags' mode in editor, then switching back to another mode (like 'Normal'), the tag images don't go away. In fact, there seems to be no way to get rid of them.
*** Bug 38876 has been marked as a duplicate of this bug. ***
Bug 9151 is about style changes that don't work when loading, unloading style sheets, including background color and image problems.
This should be fixed, now that 9151 is fixed.
verified in 7/25 build