Need allot of help with Scripting

HI,
I have a little(big) problem, i made a server 2 days ago(DarkRP)
adding classes is going fine, addons too, but one problem is that when i try to add a custom skin
to a class, i comes up as an error, The Owner class and the Black market dealer are the one’s with custom skins!

thats on of the problems. second is how to get a specified job able to sell specified guns i did everything in addentities but i think i did something wrong, i don’t know what please help!

Fix that gramar before even hoping for help.

grammar*

[editline]26th September 2012[/editline]

You may crawl back in your little lonely cave now. =)

DO NOT EVEN ATTEMPT TO CORRECT SOMEONE, WHEN OBVIOUSLY, YOU ARE THE ONE WHO NEEDS TO WORK ON ‘LIFE SKILLS’.