Crafting with kineticists

[Ravingdork]

Using impulses like Base Kinesis, Extended Kinesis, Igneogenesous, and Timberer Sentinel (and essentially any impulse that can leave something of permanence behind), what are some fun, creative, and/or effective uses for such abilities? What are your cool ideas and combos, for both in combat and out?

[aobst128]

Building a fortress of stone as I've heard is feasible with enough time and effort.