poster hanging

poster hanging

So I've googled and gone to various stores and looked at frames and things, but have yet to figure out how to hang up my prints. Now that I have free time to decorate, I totally want to. Okay, so it seems obvious enough - thumbtacks, tape, nails, etc. But I'm moving in the next year and don't want to make holes in my (rented) walls or frame everything. All the prints I have are irregular (for readymade frames) sizes. So framing would be really expensive to make like 17x56 custom frames... Also, it is much easier to move to a different state/between apartments with poster tubes than many frames. I came up with the following options: 1. That sticky tac putty stuff. Pros: removable, doesn't make holes in print or wall. Cheap. Cons: leaves residue on the wall and sometimes artwork. Or can anyone recommend me a brand that does not leave those ugly little grease marks? 2. Scotch tape/masking tape/painter's tape. Pros: cheap, removable. Cons: Sometimes tears artwork, does not stay up very well. 3. Those things to hang posters that are like... a tube on the top with a hook and a tube on the bottom to hold poster flat against wall. I don't know where to buy these in person. Anyone know? Better ideas?
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