Play with images: Flickr image wall

I come across one old python script to download the images from flickr. It will be cool if it can be done in Mathematica. The goal at this lunchtime is to grab some thumbnails from group Field Guide: Birds of the World to make a small image wall.

Here is the output

Formated XML output

Image wall

Images are placed in random orders.

Achieved in 9 lines of code, not too bad.

reference: Flickr API, Photo Source Url

Created a larger version (100 photos).