I don't have an example sorry, but make sure you watch this video about designing for crisis if you are about to design one - https://vimeo.com/148927676

I've used websaver to have it as my screensaver - https://code.google.com/p/websaver/

This. Definitely this.

http://www.creativereview.co.uk/cr-blog/2013/october/kidds-guide-to-graphic-design

I've worked in and with a few and the fact it's loose and unstructured is the best thing.

Just start one and have some fun, not everything needs to have a purpose or a goal. Just go with it and see where it takes you.