Sorry didn't really know where to put this, as there is no mentioning of the thrash plugin when trying to report a panel plugin bug.

So this a little enhancement idea I had, primarily for the trash panel plugin.  Maybe it could also be used elsewhere (desktop icon or icon in thunar)

The idea is this: in properties you would set a "maximum quantity", (in MB), then the icon would show a "transparant" bin that shows you how full the bin is, when the max quantity (or more) is reached, the bin is entirely full. (in reality several icons could be used offcourse)