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Hello again! I'm having trouble with backgrounds in libgdx. On some backgrounds, tiles end up incredibly skewed.
example:

Right:


Wrong:


please note the background around the green parts. Also note that the foreground is composed of a tiled map and has never given me trouble. The background uses a single tileset with a 512x512 32bit png, where the foreground uses several 256x256 or smaller 32 bit pngs. Anyone know what the problem might be? I tried posting here http://slick.javaunlimited.net/viewtopic.php?t=3473, and kevglass said something about a texture atlas, but I don't know what that is, and the discussion degraded in to an exposition on the virtues of using powers of two for images. Just for clarity, I use a 512x512 tileset divided into 32x32 sections.

Update: I think the problem has to do with spritesheet rendering. I just can't figure out why the foreground (with the bars) renders fine, and the background does not.

I was able to solve it by using spritesheets that were 256x256

How did you do it? And what about 512x512?

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512x512 spritesheets didn't work, but 256x256 spriteseets did. I would guess that android textures are limited to dimensions of 256x256, and the reason I was having problems was that I was getting too large. To solve this, I split my 512x512 tileset into four 256x256 tilesets, and it works fine now.