chokememaybank

To all fanfic writers; 
          	how the hell do you guys photo shop people into photos for your Instagram chapters and book covers?? What apps, tips do you have?? I've been an avid reader for years and I'm finally trying to write a story, but I have a mindset where like it needs to be perfect and I just can't figure out this whole Photoshop thing smh. Pls help a girl out