Alymatrox, the best thing to remember when mapping is, doors (unless big ones) should only be 1sqm wide. Also, the best way to map is checking the top floor constantly to make sure it looks good.
This will help you get an idea of how players will see in game, and how to map so its appealing to the eye.
Also, to add on as I say on every post with flames, There is no point to come tell someone there flaws. If you don't have something better to do with your lifes then come to Otland to do that, then you are to pathetic to even talk down to someone anyway.
Alymatrox, you need to upload to a actual image site, so we can see the maps a little easier.
Now how bout this thread goes to encouragement, rather then some annoying dumb fucks trying to make another person not want to continue there project/hobby what ever.