I cleaned up the board a bit, and implemented a new theme. However you have to change your setting to see it!
You can accomplish this by clicking on PROFILE (just under the picture above) then clicking the EDIT PROFILE button on the right. Click the SETTINGS tab, then select your FORUM THEME from the pulldown. Click SAVE ACCOUNT SETTINGS
You'll notice there are several selections available to customize the look of the forums to your liking.