Cubic, a single-column, grid-based theme with large featured images, perfect for photoblogging. Though I shared customization of WordPress theme Photography by The Theme Foundry , Photographer By Organic Themes which are also great for photography or photoblogging. Now I am sharing the modifications of Cubic theme by Automattic.
Cubic Theme by Automattic zip download
You can use my shared css code or can ask question in the comments section.