Shameless plug here for two of mine.
Both strive to milk as much as you can out of a TT and a single master set, so they have low terrain requirements. (Although seeing what you own -- nice! -- I suspect that's no issue.
)
Song of the Walrus was used at GenCon one year (2014).
Ice Thistle (v4) Download PDF
Uses:
1 BftU, 1 TT
Song of the Walrus (v5) Download PDF
Uses:
1 SotM, 1 TT
Board for online play