I'm very new as a game developer, but I've made a couple maps for Source, so I know a lot about the concepts of map making in hammer. I can help with concept art too, and I'm learning 3D modelling as well.

I'll leave some links for you to see the stuff I did while learning:

I made a HL2DM map, trying to emulate the cel shaded city from the game Jet Set Radio, here are some screenshots: 1 (hl2dm),2 (csgo port)[i.imgur.com]
I tried to get some verticality going on and "cold" or "hot" looking areas depending on the lighting. The players ended up liking the destructible geometry, the open areas and hidden rooms a lot. I added dynamic music too, which had several different songs that switched as you travelled the stage, but since players complained about the melody changing much, I had to tone it down to just a single song that only changes it's equalization when you go inside or outside. Everyone agreed that having dynamic music was great to the map and that I should keep it, though.
While making the music thing for my map I ended up loving Source's soundscape feature. However, learning how to use it was very hard. So I made a guide about it to help people out:guide
I also draw, kinda[dl.dropboxusercontent.com] (it's bad). I made that drawing for my mod, as a concept for an NPC character that jumps around helping the player.

Even though I think you couldn't compare my basic skills with those of the rest of your team, I'd love to join and if you let me in I'm willing to help as much as I can.

Thanks for your time.

Hi, my name is Leo, I'm from Uruguay and my english grammar is terrible.
A friend linked me here and it looked interesting so I joined.
When I play trough a game I like to think about how it was made, and that made me want to start modding myself.
I like to draw and make 3D models, so what I appreciate most in a game is arcade gameplay with good visuals and energetic animations.
My inspiration for the first mod I'm making comes from the surreal humor from Suda51's games and Hirohiko Araki's manga works.
The mod will probably be really bad (I'm not a programmer) but it's a start!
I hope to see interesting mods in this community and hopefully see some of them become successful in greenlight and whatnot.

I'd rather not, I don't like reddit's voting system