I have no idea why I'm making this but , here are some cover tips. First the apps. They are free indeed. 1) Pixlr So let's give Le example. Here is a photo
Now how I personally make my covers depended on two things. Is it composed or Serious. If it were serious you would go to filters and choose some in vintage or sort. If it were comedy. Screw filters. So here what a serious one would look like and a comedy one. Serious
Comedy
I also use blend editor. Which blends two things. Example This photo
And this
You can overlap like this
So those are the apps I use to make covers. Unicorn1z uses the same apps. Ok, bye.