Speedpaint 1 of 3
This was fun to do.

The clouds could have a bit more detail, but the primary focus of this was studying the silhouette of the tree and the way it's leaves are set, as well as the the foliage fades with distance.
This was the quickest of the three, taking about half an hour or so.
Reference was used, taken from Pixdaus.com.

If anybody wants the pictures I used as reference for any of my submissions, leave me a comment!