Texture animation problem

I want water in my game, so I got caustics generator, rendered out 16 images, and put them into a single, long picture. I loaded it into Blender and set it up for animation like some of the posts here told me to. It works fine… except for some white lines that appear at a certain place in the cycle. Here <http://filebox.vt.edu/users/rritch/public/waterproblem.blend> is a link to the a file with the problem. Can anyone tell me what I did wrong? Thanks in advance.

Have a closer Look at your Texture. There is a white Line at the Bottom of Frame Nr. 14. :rolleyes:

Thanks: I was looking for that white line between frames, not on the bottom.