been doing some map shopping past few days and pick my favorite 5 customs.
some maps to look into:
pl_orangebomb
cp_orange_x3
cp_labor
cp_desertfortress
cp_toy_fort_elite (or) cp_toy_fort
all of the above were found on the top 50 ranked tf2 servers. these were my fav 5 (their are alot more popular customs). the maps are smallish, and not confusing to figure out. take a look at them. I think they should replace a few of the weaker custom maps in the current rotation that not that many other servers play. these are proven maps that people like to play. to find what maps dont work read