I am trying to create something for myself using paint.net and I used different modes for different layers, however whenever I merge the layer down the picture shows up. Same for when I am trying to add a different back ground. Here are some pictures to show you what I'm talking about.
Here is the pdn, without having the layers merged:
http://prntscr.com/3dp20l
Here is the pdn when the layers merge/I add a background:
http://prntscr.com/3dp2za
How do I stop this from happening?!