by rvm » Fri Nov 11, 2016 12:26 am
In SMPlayer, select the option Help -> Open configuration folder. A window will be opened showing the contents of the SMPlayer's configuration folder.
Create a new folder called "themes" in that folder.
Enter in the "themes" folder you've just created.
Create a new folder there called "my-theme" (or the name you want).
Enter in "my-theme" folder. Copy there an empty image with the name background.png.
Restart SMPlayer.
Go to Preferences -> Interface. Select "Basic GUI" as GUI, select "my-theme" as Icon set.