Trick Photoshop

Step1 : Open a new White Layer in Photoshop.

Step 3 : Click on the Elliptical Marquee Tool.

Step 4 : Press Shift and draw out a perfect circle. Make it a large circle. Use the cursor to position it in the middle.

Step 6 : In the top panel click to reveal the default Patterns pallete. When You click it you will see the Patterns available in you version of Photoshop.

Step 7 : Click the tiny arrow to reveal the other Patterns available in your version. I have downloaded some free patterns from the internet. But we are not bothered about the other Patterns. We will make do with the default ones.

Step 8 : Click the icon in the top panel to reveal the Brushes. Click the Brush Tip Shape. I have chosen Brush 19 which is a Hard Brush. Drag the Mater Diameter till the line at the bottom separates into dots. I have dragged 125 pixels.

Step 9 : Click on Patterns in the top panel. I have clicked on the second one called 'Tie and Dye'.

Step 10 : Click with the Pattern in within the circle as shown here.

Step 11 : Go to Filter>Distort>Spherize.

Step12 : The Spherize dialogue box opens. The default Amount is 100 %. Click OK.

The dots have been Spherized.

Step 13 : Press CTRL+J. Layer 1 duplicates into Layer 2.

Step 14 : Click the Move Tool.

Step 15 : Use the Move Tool to move the layer to the left. Press CTRL+T. A selection forms around the dots.

Step 16: Press SHIFT+ALT. Grab a corner handle and you will be able to resize the dots proportionately. Press Enter after the resizing. The selection will diappear.

Step 17 : Press CTRL+J. Layer 2 duplicates into Layer 2 copy.

Step 18 : Use the Move Tool to move the dots layer  to the left bottom.

Step 19 : Press CTRL+J. Layer2 copy duplicates into Layer 2 copy 2.

Step 20 : Use the Move Tool to move the new dot layer to the top right.

Step 21 : Prss CTRL+J. Layer 2 copy 2 duplicates into Layer 2 copy 2.

Step 22 : Use the move tool to move the  dots on this layer to the left bottom corner.

Step 23 : In Step 21 you were on Layer 2 copy 3. Press Shift and click on Layer 1. All the layers are highlighted.

Step 24 : Press CTRL+E. All the layers are combined into one layer -- Layer 2 copy 3.

Step 25 : CTRL+Click the layer thumbnail on Layer 2 copy 3.

Step 26 : You will find a selection of  'marching ants' selecting the polka dots.

Step 27 : I have opened this free stock image. Press CTRL+A (select all) then CTRL+C (copy)

Step 28 : Go to the other image and press CTRL+V. The photo I have chosen is a large one. It covers the polka dots entirely. Press CTRL+T. You will notice corner handles appear.

Step 29 : Press SHIFT+ALT and drag the corner handle down. Then drag it up with Move Tool and resize again and again till the photo fits over the Polka Dots.

Step 30 : The photo has been resized over the Polka Dots. Press Enter to apply the transformation.

Step 31 : Look in the Layers pallete. The photo is now on top of the Polka Dot layer (layer 2 copy 3).

Step 32 : Press ALT and click exactly on the edge of layer 2 copy 3 and Layer 1 (the photo). A small black dot will appear. This will clip the layer.

Step 33 : And ,there is your Polka dots created with a clipping layer. You can leave it at that. You can also do the additional steps.

Step 34 : Click on the Background Layer.

Step 35 : Make sure your Foreground Color is setto Black. If not press 'x' and then 'd' on your keyboard.

Press Alt+Backspace. The Background Layer fills with Black.

Step 36 : Go to Filter>Texture>Texturiser.

Step 37 : The Texture dialogue box opens filling you screen.

Step  38 : Look at the controls at the panel on the right. You can choose the texture you want from the drop down. I will be using the Brick texture. I am leaving it at the default settings. Click ok.

And, hee is the completed image.