This is a very simple tutorial even for beginners
This is what we are going to achieve at the end of the tutorial
First, Open you image in Photoshop and duplicate the Layer
To duplicate go to later palette and click on the background layer, right click on that layer and then click duplicate layer
To achieve Stained Grass effect, simply go to FILTER - SKETCH - PHOTOCOPY
then click on TEXTURE and select Stained Glass
Light intensity helps to balance photo light, play with it to achiave desired effect
Cell Size helps to increase/descrease the size of stained glass, i recommend you use small size to achieve the most accurate output of this effect
Border Thickness set border thickness size between one stained glass and another
Once you are done click on and that's it
