I'm afraid I've been playing with iPhone apps again.
This is a lone tree on the moors. I'm not used to seeing a lot of really nice trees in my country, there are too many young and perfectly straight ones (especially in the polders poplars were a favourite). But this is a very nice specimen.
Anyway, I wanted to give the image a bit of a nostalgic feel. So I tried it in a few different apps. To be honest I can't remember which app made this particular version, although I suspect it may have been Low-Mob.
But however it was done, and with what, here's the result: