I think there is something to the idea of downplaying the image of the leaf so you might want to consider it from a marketing standpoint. How many cigarrette adds have you seen that show just a cigarrette.
Aside from that I think you should consider three versions of the flyer.
One version could be like your current flyer, focusing on how safe cannabis is when compared to other legal drugs.
A second version could focus on the ways in which the drug war is destroying our country, or at least draining our tax dollars. Consider contacting L.E.A.P. (Law Enforcement Against Prohibition) they really have their shit together and since they are all current or former law enforcement officers they carry alot of credability.
A third version could focus on all the ways in which hemp can be used for our benefit. Do a little research and you'll find all kinds of great uses for hemp fibre and hemp seed. Also make sure to note in this version that while it is the same plant we are talking about there is no way for people to get high using commecial grade cannabis grown for hemp.
I know there are alot of ideas here but go ahead and pick your favorites (Im not just talking about my post) and combine them into a great flyer, hopefully you can open some eyes to the facts.
Good luck I hope to see a free Nevada in the future.