http://looncraz.txnj.net/decors/OBOS_UI_v2_2_1_f.gif I believe the best way is to do it with different decors.I am currently implementing the above, though it is very rough, ATM, I will finish it when time permits (been surprisingly time crunched for the past few months).
You can try the early version here: http://looncraz.txnj.net/decors/ Supports Stack & Tile. --The loon<hint>PS: if anyone wants it bad enough, money normally gets things done faster...</hint>