You can also use regular tape to hold the backround. Easier and more convenient, especially to change and when you decide to want to get a new look.Senator said:I find back ground pictures give the tank more depth perception. The problem is getting them to stick to the tank without having annoying air bubbles.
Though I used half a tub of water based hair gel to get mine to stick, simply brush off the air bubbles with a straight edge. Now it looks shweet.