I think everyone will agree, this was a hard challenge. Everyone has some memories from the summer that really stand out but it's hard to transfer those into some nail art. Then again, with a theme like this then it more than likely guarantees everyone will do something different.
Outside my house when I was growing up, there was a HUGE tree where I would play and hang out with my friends. It was a good meeting place, and so I have a lot of memories attached to that tree. So, that's what I based my nail art on.
I did a gradient as a background to make a sunset, to show those days where we would play outside all day until it got dark and our parents called us in. Then, on my ring finger painted the tree. In hindsight, perhaps I should have done some stick people on the other nails and under the tree. Oh well, I still like how it turned out. The colours I used for the background were Barry M's "Bright Red", Nails Inc "Atomic", Barry M's "Yellow" over a base of Barry M's "Lemon Ice Cream". Then, I used a small paintbrush and Barry M's "Black" to make the trunk and branches of the tree. After that dried, I used the brush again to stipple leaves over the branches using Barbara Daly's "Kiwi".