What is this group? Well simply put..
When you push the following keys it will change your clan tag to the text:

W: I'm Running!
A: Moving Left!
S: Moving Back!
D: MovingRight!
Shift: I'm Walking!
Ctrl: I'm Ducking!
Space: I'm Jumping!
Mouse1: I'm Firing!
Mouse2: I'm Aiming!

And all of the keys will still have normal function!

So now...

To Install:

Join all of the following groups:
http://steamproxy.net/groups/Movement_Abbreviations
http://steamproxy.net/groups/Movement_Abbreviations_W
http://steamproxy.net/groups/Movement_Abbreviations_A
http://steamproxy.net/groups/Movement_Abbreviations_S
http://steamproxy.net/groups/Movement_Abbreviations_D
http://steamproxy.net/groups/Movement_Abbreviations_SHIFT
http://steamproxy.net/groups/Movement_Abbreviations_CTRL
http://steamproxy.net/groups/Movement_Abbreviations_SPACE
http://steamproxy.net/groups/Movement_Abbreviations_Mouse1
http://steamproxy.net/groups/Movement_Abbreviations_Mouse2

Then

Open console (~)

Copy and paste this:

bind "w" "+forward;cl_clanid 11114590";
bind "a" "+moveleft;cl_clanid 11114605";
bind "s" "+back;cl_clanid 11114614";
bind "d" "+moveright;cl_clanid 11114626";
bind "space" "+jump;cl_clanid 11114638";

Then copy and paste this:

bind "shift" "+speed;cl_clanid 11114631";
bind "ctrl" "+duck;cl_clanid 11114646";
bind "mouse1" "+attack;cl_clanid 11115000";
bind "mouse2" "+attack2;cl_clanid 11115015";

That's it you're good to go! :D

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To Uninstall:
Open console (~)

Copy and paste this:

bind "w" "+forward;
bind "a" "+moveleft;
bind "s" "+back;
bind "d" "+moveright;
bind "space" "+jump;

Then copy and paste this:

bind "shift" "+speed;
bind "ctrl" "+duck;
bind "mouse1" "+attack;
bind "mouse2" "+attack2;