Ok quite simple due to the fact that valve still havent fixed the import spray in tf2!

All you have todo is import your spray to css/hl2 then navigate to:-

Steam\steamapps\account name\counter-strike source\cstrike\materials

and copy the VGUI folder to :-

Steam\steamapps\account name\team fortress 2\tf\materials


Restart steam and wait for a map change :)
I have noticed that you cant spray on certain things tho!

thanks
been tryign to figure out why my spray wasnt working