HalfTone ''Pop Dots'' Tutorial

Step1:
Open your image that you would like to put the pop dots effect behind. (Inverse if you need to)

Step2:
Press Alpple+J twice
Put a selection around Layer 2.

Step3:
Go under the Select menu, under modify, and choose Expand
Enter 10pixels and Click OK.

Step4:
Press ''d'' to switch your swatches to the default
colors Option+Delete.

Step5:
Press the letter ''Q'' to enter.
Quick Mask mode.
Go under the Filter menu, under Pixelate, and choose Color Halftone.
Click OK

Step6:
Keep running your filter until you are satisfied with the results.
Tap the letter ''Q'' to leave quick mask mode.

Step7:
Option+Delete
Deselect your image.