The Shotgun Madness server has a new map cycle.
Some old favourites and leaning towards the small to medium size map.
If you don't have them, they will auto download in game

aiwa brickhse Bash cholericol chum crimsonite enders_g

fun-house Scary_2s gustav11 lair metal tig_ub yutani2

If you're a DoD fan (or even a HL Rally fan) and haven't tried out Shotgun Madness yet, now's a great opportunity.
The server IP is 69.56.242.81:27015
All you need to do is click on the Half-Life Icon in your Steam Play Games menu , and Half-Life will install itself.