This tutorial series demonstrates how to use Wildflower.
Part 1 - Editor basics and how to control the Siftulator
http://www.youtube.com/watch?v=qztuoABf9Wk
Part 2 - Tile editing
http://www.youtube.com/watch?v=eDaCjHV1Qa8
Part 3 - Object editing
http://www.youtube.com/watch?v=lc-DoL5Niqc