Turn any photo into a dot grid artwork with these Photoshop actions. You'll get great results with dots that change size. They get larger in brighter areas and smaller in darker areas. Free download available.
Open the star image and use the Rectangular Marquee Tool (M) to select the sky part to move it onto the main canvas. Change this layer mode to Screen 100% .
Create a Levels adjustment layer (set as Clipping Mask) to reduce the stars effect and the dark edges
Add a mask to the stars layer and use a soft black brush to erase the remaining hard edges and stars' visibility.
Make a Color Balance adjustment layer to change the color of the stars a little.
Open the pathway image and select the pathway using the Polygonal Lasso Tool. Place the pathway in the middle of the canvas and use the Free Transform Tool (T) to enlarge the bottom of the path.
Add a mask to this layer and use a medium-hard black brush to remove the hard edges on both sides and blend the pathway with the existing ground.
Create a new layer above the pathway layer and set it as Clipping Mask. Select the Clone Tool (S) to remove the wires on the front of the pathway.
Make a Hue/Saturation adjustment layer and change the Master values. On the layer mask, paint on the middle of the pathway to remove the effect there.
Add a Curves adjustment layer to darken the front of the ground. Paint on the rest to keep its lightness.
Open the door image and use the Polygonal Lasso Tool to select the door to add the middle of the canvas. Flip it horizontally by choosing Edit > Transform > Flip Horizontal.
Add a mask to this layer and use a hard black brush to remove some details on the top of the door and use a soft black brush to blend the door's bottom with the ground.
Create a new layer below the door one and use the Polygonal Lasso Tool to draw a shape below the right of the door one and fill it with the color #170e04. Convert this layer to a Smart Object.
Lower the opacity of this layer to 50% and go to Filter > Blur > Gaussian Blur and set the radius to 3 px.
Do the same to add shadow to the left of the door.
Make a new layer and use a small brush with the color #170e04 to paint shadow below the right panel..