Looks good, especially for a first attempt. I'd put it on the server in its current state, but I have some minor comments and nitpicks and general advice for future mapping.
The map is enormous with lots of dead space behind spawns and such, which is not a big problem in itself. People usually develop a certain way to play a map over time and find eachother, but lots of somewhat irrelevant open spaces does create the opportunity for trolls to hide or noobs to get lost and delay the round. Second possible issue is lag, there are quite a lot of items spread out in places that will rarely get visited which still drag down performance. I find it very hard myself to gauge lag, as I do not have a wooden computer, but this amount of trees and items could perhaps lag some people. Just two things to consider which I don't feel merit any changes just yet, but if you get lag complaints you might want to just close off an entire area and remove all the items in there or thin out the forests.
Spawn points look good, nice composition so that different key areas are equally accessible. Flags are decently centered enough. As Thranduil said, crpg_sh items are made for Stronghold which means they are all destructable and could be buggy. They are all duplicates of normal items anyway, so you should use those instead. Crpg_ in general should probably be avoided, most of those are deployables and they might be buggy in some way.
Smooth tool is your friend! You have some terrain for example here that is very bumpy and ridgy, which doesn't look good and is agonizing for movement, especially for horses. Grab the smooth tool, set it to low weight and hardness and just check your entire map for bumps and ridges and make it nice and smooth. Of course it doesnt matter as much at the arse end of the map and sometimes you just want cliffs, but this little pathway here would be nicer if it was smoother.
Just visual nitpicking. You have some pretty big mono texture slabs here and there and some rough texture transitions. Low weight and hardness texture tool is your friend as well. Creating smooth texture transitions and some nice blends here and there makes a map look nicer. Earth, forest, path, village, turf can all be used to create some nice blends with eachother. Also texture colouring is cool to play around with, think you had some brown in there somewhere. Making certain areas a bit darker or give it some colour is cool. Don't want a neon map though!
Something went wrong I think when the devs added additional props labelled mp_. Many of them don't have collision detection, including this fence. People can walk straight through it. If you use anything mp_ you might wanna invisibarrier it. Also I can look below the straw pile
You might not have these individuals on NA, but such a slope with an invisibarrier on EU means that some archers are going to stand right at the border, which forces infantry to do a terribly slow climb up to them, while getting shot from multiple angels. I tend to avoid creating such areas as it is agonizing for melee, regardless whether they have shield. It's up to you though.
