At the danger of spamming this (well - posting it for the second time in 6 months) - I'm still trying to find the select demographic who appreciate this:
Edit: I found the presets in the end, I was not expecting them to be above the other controls, when it's at step 3 in the "getting started" list.
But I probably do need to make it a little less mysterious and fix some of the obvious ux gotchas.
The brief tutorial is also probably slightly out of date since I added some features.