i'm in crystal 2 with town hall 6 (level 3 i myself snipped TH and then in 2225 trophies these are my setting:
B.Arch (Level 3)
meet TH outside
attack TH outside
meet trophy count
min trophy: 30 (all town halls under this trophy count are covered by traps, teslas ...)

just note that its very buggy and drops troops very bad.