This how I do it. I also live in a 1 bedroom. Mine are leaning against the window frame, but only because it's the only spot I have to put them, a regular wall would be better. I need something more classy to keep them from rolling other than an old pump.. but it works until I can think of something better. I personally don't have any spare wall space, just too much junk accumulated over the 8-9 years i've lived here. I've thought of ceiling hooks, but I don't think the apt. management would like that.