To help capitalize on all the HN traffic, you might want to include a more prominent link to fotobookapp.com (probably in the first sentence when you introduce

To help capitalize on all the HN traffic, you might want to include a more prominent link to fotobookapp.com (probably in the first sentence when you introduce the app). It took me a while to see the link at the end of the article. Also, the "App Store" link in your posterous profile doesn't actually link anywhere.