A summer photo gallery

I want to mix up these two projects

ZenPhoto - home / example
Hoverbox - home/example

I want to have the ZenPhoto as it is, but on the main category listing, I want the hover feature on mouse over of the image for that category or the title/link of the category.

Should prove interesting..

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Update:

This guy got picasa to work with Gallery, an open source gallery system with its own photo upload program.
Gallery & Picasa Integration