the overwhelming opinion here is that the widgets from Adobe's w-browser are outdated. Adobe's strategic decision and the philosophy is clearly reflected here:
what means you better search for jquery solutions like:
The Widget Browser, by the way, has been withdrawn. It's no longer available.
Completely logical, I was imprecise, however. BUT it's written in the link, at least:
The theme widget, however, had been discussed several times already, I recommend the search function of the forum.