I started a few small "expansion puzzles". First, I tried to get all 18 tiles from "Hills & Sheep" in a grid of 6 rows and 3 columns, which was really trivial, although I aimed at a special goal: completing both cloisters and placing all vine yards adjacent to them. Have no camera with me, but one (of probably very many) solutions would be:
CFFC/RFCF/FCCF
FCRR/CFFC/CFCF
RRFR/FCRR/CCFC
FRCC/RFRR/FFCF
CFCC/RFRF/RFFF
CFCF/RRCF/FFRR
However, with "Bridges, Castles & Bazars" it was a bit more of a challenge. (Unless, you make just a row with 12 tiles or two rows with six.) I think it is the lack of FFRR and CCFF tiles, which really limits the possibilities. But after some thought, I found a solution. Can you find one, too?