Isometric poster. This gives me an idea for working with woodgrain... The geometric contrasted with the biomorphic, very much like a window frame overlays landscape scenery, or how our ideals frame how we see the natural world!
For the larger, one-day events, (basically happening monthly) I like the idea of having a similar event flier design with slightly different features based on the neighborhood, time of year, etc. http://isaurefouquet.com/