I think the leaf is telling us it loves "Photoshop" (PS)!!!!
Are you wondering about the bokeh (redundant background design) or the text on the leaf?
The text appears to actually be handwritten on the leaf, but you can do this in PP. The bokeh is something done in lens. Here is a good link to get an idea of a personalized bokeh:
DIY - Create your own Bokeh | DIYPhotography.net