My All-In-One RanTools (and P-Cutter) Addon is at flat 25% OFF using the code 'bfcm22' .
You can check it out here:
v2.1 Out Now!
Import As Decal is a Free Addon for Blender that allows you to directly import images as Decals/Stickers and comes with an advanced Shader.
Import directly using the Blender Add menu.
Adjust the look from the N-Panel (under Item) or the shader editor: