Some of the tangles I used are Snail, Sprigs, Twiggy and Upholstered, which I had a bit of difficulty with.
To see more entries for S - T - U, you can go to http://www.dianeclancy.com/blog/2015/05/weekly-challenge-7-tangle-with-s-t-u/
Zentangle Challenge #8 is V - W -X, and some of the tangles used were Vignes, Wabi and Xpetal.
For more entries you can go http://www.dianeclancy.com/blog/2015/05/weekly-challenge-8-tangle-with-v-w-x/















