mapping help

I'm trying to implement some custom textures for my map. I know from experience that these custom textures will appear as missing texture for a player other than myself. My question is; how do I make it so that my custom textures become visible for others than myself? Do I have to make them...

Okay, so I'm here with a little problem that (maybe) is something I did wrong because I'm new into mapping to source (usually I mapped a lot in gldsrc), so.. the problem is that when I was working in this map everything in the lights were fine until I build the cubemaps. Then the lights started...

I am currently looking for a skybox for a map I am adopting and I wanted to know if you guys like day or night maps due to the only non-event night koth maps are koth_king and koth_probed. Thank you for your help BlitzVS