Look for other meetups groups to co-host your event? Checkout the new market place by community organizers!

The community organizer group to is open for everybody to suggest a meetup for this group who are looking for co-host organizers.  Then other community organizers can use this to promote with each other.

So, if you would like to your meetup to be co-hosted with other meetups groups, please post here:

http://www.meetup.com/community-organizers/#suggested

Other organizers of the group can just copy the desc to their meetup to create an event.

Its still in beta, but worth to try!