TiledBackground? Are you using only 1 TiledBackground object and extend it long? In that case, you will still have only 1 TiledBackground to collide with.
Can you tell us your big picture? What are you trying to achieve?
I am having a blood effect when the "Hero" (main character) dies,
Which makes blood explode in a circle around him, and it stops at objects hit, (Only objects that is touchable)
I have multiple tiled backgrounds (5 of them) (I have been lazy and not named them anything as they are only platforms with solid behavior)
Then looking at enemies around me as objects aswell