>>8776363>what do you use for your solid backgrounds>I need a bright blueThey're just sheets of posterboard that you can get at a drugstore, craft store, or department store for $1 each. I always keep my eye out for new colors whenever I happen to walk by a display of them, so I have a nice collection.
I put a strip of packing tape on each corner of the back side (the side that has the bar code sticker on it) and use sticky-tack to stick it to the wall. The packing tape is so the sticky tack doesn't adhere to the paper and rip it when I switch backdrops.