Rayne can create a low Res pack and distribute it, and Create a high Res pack he can give to the "chosen ones". (hehe, this word remind mr of middle earth films and games
Or add a watermark to your textures so no-one uses them.
I think Moonie had the same problem with everyone using his textures, and he said he found a way to do this in the pk3 that would prevent stealing. I'll try asking him what he came up with
[12:25] <JohnnyEnglish> morning Nounou
[12:25] <JohnnyEnglish> wotcha doing?
[12:25] <Nounou> hello
[12:26] <Nounou> nothing much, i've nothing to do at work so
[12:26] <Nounou> modeling woman
[12:26] <JohnnyEnglish> woo
[12:26] <JohnnyEnglish> real women?
[12:26] <Nounou> realistic yes, on maya