1- here is list of high rated and best maps to add (all maps find in gamebanana)

-ze_backroom_levels_part1vts3

-ze_labs_076R

-ze_castle_v1_fix

-ze_paperworld

-ze_emergency_edition_arx

-ze_bigsquare

-ze_osnapitzari_v3_lg

-ze_tesla_radioactive_LB

-ze_landlubbers_fabi_v2

-ze_L4D2_hotel_remake

-ze_shroomforest_v2

-ze_rooftop_runaway