There has been threads before about binds, but still...
You can also modify binds way easier when open your autogen.cfg from your Tremulous/base folder with notepad/wordpad etc..
Open it and just add binds to the end.. For example here are my bind controls and Lavas armory binds (or was it maci....

well thank you anyway)
Here you can see all the buttons and what they do. You can always change the text/action
Only throw grenade bind is missing

Have Fun!
bind 1 "say_team ^1Reactor DOWN!!"
bind 2 "say_team ^1Armory DOWN!!"
bind 3 "say_team ^1Nodes DOWN!!"
bind 4 "say_team ^3--GRENADE--"
bind 5 "say_team ^3InC"
bind 6 "say_team ^1OM DOWN!!"
bind 7 "say_team ^1NO EGGS!!"
bind 8 "say_team ^3Building HELP Needed!!"
bind 9 "say_team ^3--ALL ATTACK--"
bind h "say ^4Hi!"
bind u "say_team ^3 ubs"
bind F1 "say_team ^3Defence Computer DOWN! Teslas Offline!"
bind F2 "say_team ^3 Nodes Needed"
bind F3 "say_team ^3 Medistation Needed"
bind F4 "say_team ^3 Armory Needed"
bind F5 "say_team ^3 Eggs Needed"
bind F6 "say_team ^3 Enemy Base DOWN!"
bind F7 "say_team ^3 Low Defence in Enemy Base"
bind F8 "say_team ^3 Hunt'em Down!"
bind F9 "say_team ^3 omK"
bind kp_end "sell weapons;buy psaw;itemact blaster;itemact psaw;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_downarrow "sell weapons;buy rifle;itemact rifle;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_pgdn "sell weapons;buy shotgun;itemact shotgun;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_leftarrow "sell weapons;buy lgun;itemact lgun;buy ammo;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_5 "sell weapons;buy chaingun;itemact chaingun;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_rightarrow "sell weapons;buy mdriver;itemact mdriver;buy ammo;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_home "sell weapons;buy prifle;itemact prifle;buy ammo;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_uparrow "sell weapons;buy flamer;itemact flamer;buy ammo;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_pgup "sell weapons;buy lcannon;itemact lcannon;buy ammo;bind mwheeldown weapprev;bind mwheelup weapnext"
bind kp_ins "sell weapons;buy ackit;buy ckit;itemact ackit;itemact ckit;exec hbuild.cfg"
bind kp_plus "buy gren"
bind rightarrow "sell upgrades; buy larmour; buy helmet"
bind leftarrow "sell upgrades;buy bsuit"
bind uparrow "sell bsuit;sell battpack;buy jetpack;buy helmet;buy larmour"
bind downarrow "sell bsuit;sell jetpack;buy battpack;buy helmet;buy larmour"