Hint: In order to clip a layer to another Alt-click between the two. This will make the upper layer to show only to the lower layer. You can clip as many layers as you like and they all are going to show only to the bottom most layer.
Create a new layer and change the blending mode to Multiply. Clip it to the house layer. With a round soft brush at 50% Opacity paint over the house to darken it. Lower the opacity of the layer if the effect is too strong.
Create a new layer and change the blending mode to Overlay. With a white soft round brush paint over the house like I did below.
On a new layer set to Overlay Opacity paint again with white over the watch and some of the roof.
Create a new layer and with the chalk brush paint with yellow (#ffd968) over the window.
Create a new layer and with the same yellow color but a round soft brush at 10% Opacity paint some glow around the window.
Hint: When you are finished with a specific portion of the document you are working on (like we are finished with our house) it is a good idea to select all the layers related to that section/object and group them. Shift –click on each layer to select multiple layers and press Ctrl + G to group them. Give the group a descriptive name (in our case “House”).
Import the Birds Brush (double click the .abr file). Create a new layer and create some birds with the birds brush.
Import the Smoke Brush and using a combination of white and black paint some smoke on the bottom portion of our document. Use multiple layer if needed.
Open the Skulls file. Copy and paste the skulls into our document. Add a layer mask and hide most of the skulls until you achieve an effect as I did below.
Open the file Cross. Select the cross, copy and paste it into our scene. Add a layer mask to hide most of the cross (look at how I did in the image below) and place it near the skulls. Duplicate the cross (Ctrl + J) and place the duplicate to the right of the original cross. Rotate and resize it a little.
Open the file Hand. Make a selection of the hand with the Quick Selection Tool. Copy and paste the hand into our scene. Resize it and put it between the two crosses. Also add a layer mask and mask the bottom parts of the hand.
Create a Hue/Saturation adjustment layer and drag the saturation slider to -77. Clip it to the hand layer. Create a Curves adjustment layer and drag the curve down as shown below. Clip it to the hand layer.
Open the file Lamp. Make a selection of the lamp. Copy and paste the lamp into our scene. Position the lamp at the top of the house. Create a Curves adjustment layer with the settings show below and clip it to the lamp.
Open the file Dead Tree 1. Copy and paste the tree into our scene (the trees are already precut so a simple Ctrl + A will select them). Add a layer mask and mask the bottom of the tree. Place one tree on the left side of our scene, near the horizon. Duplicate it two times and place the other two trees as shown below.