Flexible – Premium Theme by ElegantThemes

Flexible is a sleek and minimal portfolio theme packed full of some awesome features. The theme puts your work first, keeping the design elements to a minimum while still maintaining a definitive modern style. With its filterable, ajax-powered multi-media gallery, Flexible is perhaps our most feature-rich gallery theme yet.

Flexible demo: http://www.elegantthemes.com/preview/Flexible/