He returned to Aberdeen to paint landscapes and portraits for any trifling sum which his work could command.
Its landscapes are on a small scale; it has no vast plains, no inland seas, no mountain as high as 7000 ft.
As an ornamental feature in landscapes, it is worthy of notice; and the pleasing shelter it affords and the beauty of its blossoms have frequently been alluded to by poets.
In the heights of Harden (2651 ft.) and Whitecoomb (2695), whence the Clyde, Tweed, Annan, and Moffat Water descend, the high moorlands have been scarped into gloomy corries, with crags and talus-slopes, which form a series of landscapes all the more striking from the abrupt and unexpected contrast which they offer to everything around them.
His brother, James Peale (1749-1831), also an artist, painted two portraits of Washington (one now the property of the New York Historical Society, and the other in Independence Hall, Philadelphia), besides landscapes and historical compositions.