Ahahaha. I am the worst. This should have gone up weeks ago, or at the very least, yesterday. I bet many of you were wondering "Is anyone out there?" Well, what a coincidence, that's this week's theme! Maybe show us someone wondering, or maybe you show us them finding out the answer!
The Global Information/Idea thread for Terraining Exercises can be found here: https://www.sc2mapster.com/forums/development/terrain/147156-terraining-exercises-global-information-idea .
Also, check out Team Antioch's mapping reference, with all tiles, cliffs, and doodads at http://www.screference.op74.net/.