Need a descriptive catchphrase under your logo. I like how you have lots of whitespace but it feels empty, need to add more content, especially on the right side.

It's not immediately apparent how your app is different from a blog...

And I agree that you should choose a single brand for your site, either Glogger or PeerViewr. See here: http://blog.weatherby.net/2009/02/yes-master.html