strange effect with images?

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The problems keep coming! Ok, this used to work, and now suddenly it
doesn't. The images I'm using for this menu should have small squares to
the left of the text, but when I use them they don't. Why do they disappear?

Here are the images:

And here are pages that use them in a menu: (uses other styles too) (just uses the menu stuff, so it
should work)

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