Your next nice map. Looks cool.
Add "message" "###" to the worldspawn.
If you don't want to make the barrels smaller, you need to scale up the top and bottom textures of them. With your texture pack it doesn't look that misaligned, but note that there're different texture packs around. Use low res textures if you have troubles to align the barrels correct.
And some screenshots.
For some reason this face is black.
Use the big screenshot to see what I mean. Move this and the opposite face a little bit. The second plank is aligned well.
Rotate this faces 90 or 270 degrees.
This box is in the wall a little bit. I'd move it some units.
The gras texture looks strange here imo.
Misaligned face.
Map is online @ [OTB] Beta!