After asking for the soundtrack to Star Wars for my birthday or Christmas back in the day, I got the Electric Moog Orchestra version instead. My aunt had seen it in the store and assumed it was the original soundtrack. The reason? The cover looked like this:

Real soundtrack cover for comparison
Kinda misleading, isn't it? Well, apparently she wasn't the only one fooled, and someone (probably at LFL) wasn't amused. So the cover was quickly changed, and the second version looked like this:

Note the "not the original soundtrack" disclaimer, as well as the "Performed By The Electric Moog Orchestra" addition. Also they changed the color of the cover to a dark blue rather than the black they used before.
Anyway, as a result I never did get the real soundtrack 2xLP, and wound up very attached to the EMO version.
--SKot