I came up with a sketch to kind of explain what a spin is and decided to make it nice in Inkscape (still not quite finished yet but close):
So here it is in the spins.fedoraproject.org front page mockup:
Also here’s what it will look like if you click “get it now!” for one of the spins:
(maybe the graphic in the upper right is too much?)
Any feedback, suggestions, assistance, etc welcomed.