Should be more robust with respect to "Assign", "Clear", and "Clear All".  Additionally I have added (as best I could) previews of each individual category/part.  In the absence of a suitable preview, I display the theme background.
Should be more robust with respect to "Assign", "Clear", and "Clear All".  Additionally I have added (as best I could) previews of each individual category/part.  In the absence of a suitable preview, I display the theme background.

jordemort/e17,jordemort/e17,jordemort/e17