Create new layer (Cmd/Ctrl + Shift + N) and select the Brush tool (B). Select one of your new grime brushes. Adjust the size to 2500, press D > X to restore the fill colour and scatter faintly on the page five times. Repeat the process above using #f9b8ad and the dirt brushes supplied. Download the free tree image from tinyurl.com/tree-desert.
Next, remove the sky and mountains. Double-click the layer in the Layers palette to unlock. Zoom in to 300% then select the Pen tool (P). Create a path around the tree and ground, right-click (Ctrl + click), and choose Make A Selection from the drop-down menu. Cut and paste the image into Mask.psd, positioning it at the bottom of the page.
Now create the three main circles. Download and open the free photo from tinyurl.com/DAmoonimage Hit U to activate the Ellipse tool and convert the shape into a path by selecting the Path option at the top left. Place the mouse in the centre of the moon, hold down Alt/Opt + Shift and drag the mouse over the moon to create a perfect circle. Cut it out and paste it into your working document.