I'll give this one a try, although I'm not sure what the result will be as I never worked with weed as a theme. It seems difficult to get good stocks.
Edit:



I've given you 3 signatures as I didn't know what size of the joint you would prefer. I prefer the middle one, but that's just me. The avatar comes soon. I didn't cut of the sides of the upper 2, if you'd like that just ask me.. or do it yourself if you think that's faster

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2nd edit:
there's some vague spot on the upper 2 signatures left next to the joint, let me edit that for you before you use it. btw just say which one you prefer, then I'll do some other edits.. cba to save and upload all 3 of them again. Some comments or suggestions would be nice?
3rd and probably final edit:


there's the avatar, the very same style as the signature..
if you won't use it, a friend of mine would be pleased to use the sig and avatar. If you want another size, it's no problem.