12 simple bar icons for use in your DeviantART gallery
> Go to your gallery & click 'Edit'
> Pick a folder / category and click on it
> Hit 'Edit then ' Options'
> Now click on 'Icon' -> Change icon -> Upload the icon
> After uploading click 'Okay' then 'Done' and the icon will be installed.
> Also, go back to gallery and click 'Options' and check the 'Icons only' box is marked, and your done!