To install the addon:

• Open your preferences in blender

• Go to the Add-ons tab

• Click on Install an addon button

• Select the script

• If pillow is not installed you will see a "install pillow" button, click on it

• When installed restart blender

• The addon should work when opening blender again.

How to use:

• Copy an image to your clipboard

• Go to blender, shift+a in object mode

• Select "Paste Pureref image"