Here's the website you can use to upload you image to: http://psychic-vr-lab.com/deepdream/ (WARNING may contain NSFW images, well I found some yesterday and today browsing through the images)
I uploaded a photo yesterday and I'm going to wait for them to finish it, but in the mean time I have been looking at the photo's they have posted and there are some pretty good ones.
Here's some examples:



Share pictures you have either submitted to deep dream or ones you think look neat or whatever.