If you browse a lot of picture based sites, like one of my own sites - Linxspiration - this is an app you'll love. Visn is a really minimal and beautiful RSS reader app which just takes the photos out from the feed and puts them into either a magazine style format or a list style format.
It works on the iPad too and you simply add the feeds from your Google Reader profile and you're ready to go.
It's simple an art gallery in your iDevice that you create through adding many feeds. There are some already pre-installed feeds so you understand how it works. It's a great way to inspire yourself constantly, adding your favourite photo-based blogs. High res pictures and graphics are supported so you'll always get super crisp images.