FF 8.0: Problem Solved Rated 5 out of 5 stars
Just to close this out I thought I'd share my solution. Somehow small icons became my default choice on the Toolbar customization page. Turned that off and color returned. Thanks for the icons!This review is for a previous version of the add-on (2.6.1). This user has 2 previous reviews of this add-on.
Well, the devs have finally tinkered with the UI so much that my theme(s) are broken on Vista/Win7. All of my machines still have WinXP and I have no way of testing on Vista/Win7. I've renamed my theme(s) accordingly and placed a disclaimer in the "About this Add-on" box. Sorry!