How do you make custom sprays?

[ShanBoi]

What program do you use etc

 

[PowerLlama]

bumpity bump bump

 

[Vidrio]

http://www.raiden.se/spraytut/

oki?

 

[1960]

I can't open that link and want to know how to make a custom spray, is there another source?

 

[zx7rp3]

http://www.halflife2.net/forums/showthread.php?t=33684

animated:

http://www.halflife2.net/forums/showthread.php?t=55517&highlight=sprays