First of all i think this is the wrong topic for this thread.. i think the moderators will switch it to content other ^^.. now to your thread..
first answer: ictf idm itdm that are Instagib mods (so the i)
Whats instagib?->instagib is a mod in which you only use laser as weapon and the laser is making 1-shot-kill.this is just i would say Patched teeworlds_srv you have to run.
2cnd answer:freeze is a mod which is build on the ground of Instagib Mod. if you hit an enemy with the alser its getting frozen and cant move till someone from the same team melt it. if all are frozen the opponent team wins. Just search [Mod] ifreeze you will find something soon..look under content:other.
3.answer:you have to place the modfiles in the teeworlds_folder..you will also find there a teeworlds_srv. just copy and paste them in this direction and take your prefered settings in the cfg_directory doubleclick your for example instagib_mod_srv and thats all go through the game klick on the top on Lan and enjoy your game.
Last Answer: Sry i cant help you for this. This is not my Direction ask for example Tom94..hes great modder.
Donors pls move topic.
No prob for answers. if u had used the search option in the right way you would have also found answers...
Sincerely, Sn@ZzY