Remove commented-out section
Remove jQuery

Making the app smaller, leaner and full of pep.
Remove "The Lonely Coder" from the comments and documentation"
Ensure that the flickrstream.js file is following strict guidelines
Wrap the app.js code in an app object

It does a body good.
Add animations to adding/removing images

CSS transitions ftw!
Add loading icon

When you start the app it looks quite bare, so this may fix that.