Make all store images the base, small and thumbnail images in Magento?

Question

I have a Magento store that has around 3,000 products. Almost all of these products have a single image attached to it.

For some reason, even though I set the small

Answer 1

I used stereo_world's method on magento 1.7.0.2 and it worked great. (I can't upvote his answer because I'm new to stackoverflow)

I don't know where he is seeing the attribute id in the attribute panel, because I don't see a numerical id there at all. I found the ids (85,86,87) by opening up phpMyAdmin and looking in eav_attribute table.

As clockworkgeek pointed out - reindex/cache flush are necessary.