If you like Paint.NET, you may like Pinta on Linux. Also, I am pretty sure that SumatraPDF is available for Linux as well. I am not at a computer but I think i

If you like Paint.NET, you may like Pinta on Linux. Also, I am pretty sure that SumatraPDF is available for Linux as well. I am not at a computer but I think it is in the AUR.