With the help of UDT Viewer i've made topview schemes of HOQ's mappool (except Ragnarok), with the arrangement of items and spawns.
Perhaps this will help to learn the maps for TDM beginners, as well as for those who want to work on tactics.

Limbus
http://imgur.com/Lz0Z3yB

Grim Dungeons
http://imgur.com/ingbACS

Deep Inside
http://imgur.com/7wXZS2j

Dreadful Place
http://imgur.com/viOQVRU

Hidden Fortress
http://imgur.com/TGcGtXP

Purgatory
http://imgur.com/elO02RF