http://sitemile.com/
ProjectTheme: http://sitemile.com/products/wordpres...
Step by Step Tutorial:
Step 1 - Add Project Categories
Step 2 - Add Category with Thumbs Widget to Stretch Wide Widget Area ( Make sure that Stretch Area is activated in General Options )
Step 3 - Select the Categories you want to add images and show them on HomePage and don't forget to check the " Only show categories below "
Step 4 - Go to Project Theme / Category Images / Upload or Browse Media Library for images you want to add to the selected categories ( the image size shown in SiteMile demo is 60x60, I added the max-width image - 190x60px ).