You asked which Chaos god fits smoking better, and I'd say Slaanesh. Followers of Slaanesh do anything in search of new experiences, and so I could very easily see them smoking, albeit they'd probably only settle for the finest tobacco, and they'd use pipes made only from the rarest wood, and would only light the tobacco with the burning flesh of a slave's fingertip, which they'd set on fire with warp energy, or something.
I've thought about Slaanesh, but I can't imagine his followers to smoke tobacco. Drugs - yes, but tobacco shouldn't be strong enough for them. That's why it's Nurgle's lighter - smoking cause enough diseases to be interesting for the Lord of Decay.
lol... like all boys.. including be of course.. ahvent tons of pc died on my hands... and yes a pendant would be great but i should find a good material for that, something that goes in the water maybe .. or not.. idk..
I guess GS is waterproof, but you would have to cover whole thing very carefully. And it's not that easy You can try with FIMO, I've read that someone baked (FIMO has to be baked in the oven) an USB stick and it worked...