Let's make stickers !
Two rules :

1. Crypto Mark logotype can cover maximum 1/4 of artwork's surface
2. Pick the sticker you like the best and use it everywhere

I can carry out the campaign.

I would use the conventional approach to make the events visible to public. Ask all the new members who join the events to :

• follow https://twitter.com/Crypto_Mark2017
• retweet/post their contribution
• join the Crypto Mark telegram group https://t.me/joinchat/G084ARJ_50mVCuSi-f0R-w
• include the retweets / FB posts / other media in the weekly submission form or in the telegram channel

Copy-pasting is dull and creativity should be put forward, but more members means more ideas and better ideas. So both are important :
+ growing community
+ quality contributions