At Flickr, some photographers will place a note, best on black. Click on their link and there is their photo with a black background. Usually they are right.
Mosaic Woman drapes our craft booth tables with black fabric while I get our lights set up. Then I take over one back corner for my stained glass, and she takes the rest for her mosaics. But a couple shows back, I thought... "maybe I should put some glass on the black fabric and encourage folk who seem interested to hold it up to the light." It worked and I made some sales.
With our last spring show coming up this weekend (May 2-3) over in Chester County, I decided to utilize that black fabric.
This week, I made three star flowers. Opalescent glass which is hard to show off at shows, however, on black it may look best...