Temporary Wall Covering While Remodeling

What about an inexpensive fabric drape? You don't have to sew it, but could just hang it from a rod on the wall.

I thought of sheets too, but I think I'd go the whimsical route if it's only temporary, and put up designs. Since they probably won't reach floor to ceiling, put the whole sheets from the floor up and put a "border" of other sheets across the top.

I have used flat sheets before... just staple them up over the unfinished wall. A king size flat sheet from a dollar general/family dollar is pretty cheap and if removed carfully; you can reuse it later. Hope this helps!