Saw a thread earlier about people looking for a PUG service(like ESEA) but free, I know of one.

War-Lords is a huge CS:S community. They originally only had servers in US but they've expanded to Asia. They aren't as active in the CS:GO scene but they have a couple of servers.

One of their servers is a 128tick scrim server. Basically, 10 players join.. captains is started. Captains is where people fight against each other using guns till last 2. The last 2 will knife fight, to either pick the map OR first pick.

It's a pretty set system, and cool too. I know the owner of WL. Add me if you're interested in getting a game together. PS the server runs an anti cheat, no need to download client but cheaters are perma banned both from CSGO and CSS servers on WL.

My profile(add me I'll accept): http://steamcommunity.com/id/riser-

If you want to get notified about future events, join this group. Whenever theres a game going on, you will be notified.
http://steamcommunity.com/id/riser-/groups/

To start a game, all you do is join the server and type .need 9.
connect 119.81.28.246:27016;password scrim123

COMMANDS:
The commands are literally the same as in ESEA.

.need <no>
this is used to make an event on the group I linked above. eg of usage: .need 5

.dmg/.hp
this is used during the game to see the dmg youve done

.stats <player>
used to see your statistics, eg: .stats Riser

.stats pug
used to see the current match stats.