I have deleted the dark green colour theme so new everything is always the light/blue prosilver theme. Although it doesn't fix the phpBB bug, it does fix your particular problem. Plus the emoticons look better on a light background, and hardly anyone used the dark green colour theme.
Black Fender-labelled DR-6
Warmoth-based Fender Stratocaster
Positive Image Spark 40 amp
Looking for a black Fender-labelled Talon V http://www.karsmakers.nl