Floatbox demo page inside an iframe inside an iframe.
Also shows constraining of floatbox to the innards of an iframe.

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Be sure to play with the Options Form

Images outside the iFrame

ecomobiles thumbnail
plain white
ecomobile thumbnail
styled caption
Image map example:

platonic solids wikipedia - platonic solid tetrahedron hexahedron octahedron dodecahedron icosahedron