I've been reading through a bunch of your articles tonight (started at cowpeas and just kept going!), and just had a thought. I loved the project with the denim & bleach, and the silk scarves with botanical prints. Couldn't I do something similar on plastic pots with two colors of paint? Like paint a base color, attach some leaves & flowers, and spray over with a second color? I've done batik before on fabrics, and seems like this would be a similar technique, but without the messy wax!
Oooh, wait, that would be great for a rain barrel, to kind of camoflage it so it doesn't stand out so much! Seems like there are too many ugly blue or stark white rain barrels out there.
I also have a bunch of huge black plastic pots that TwinLakesChef gave me at the Iowa RU, that I want to put my DH's 3 grapefruit trees into. This would be SO much more attractive!