better variety of maps especially for 4/4 matches

please create more elaborate maps to compete in that suit a variety of dragons angles.....also allow option to choose the map desired in teams.... we play a lot of 4/4 and get the same 2 maps...one old map ...where the 4 people on the upper freestanding ledges r killed first msometimes before getting a play in ,and one new bad map(where there isnt enough support and its easy to make players just fall by a simple hit to the ledge theyre standing on) no skill really involved in this map......would like all positions in the map to be such that is a challenge and not easily one shotted ....also side note can we put a minimum level to the room as a requirement..if needed option.....many times we play 30-40 levels and a lvl 6 persistantly joins which has no play time whatsoever ....just a sideline fan...and blocks the highler level players from joining in and delays the whole process of playing leading to crashing of rooms and remaking. ....