Image not showing full screen

Hi,

Thanks for the plug-in, it looks very promising! However, I have a little problem with your plug-in. The images are not fully stretched to the left of the screen. At the left of the screen I can see the background colour (approx. 20-30px) instead of the image. The images are width enough.
It make no difference if the setting Fit Always is set to Yes or No. I have tried several combinations with the rest of the settings, but no luck.

Another question / suggestion I have, is it possible to add a control to this plug-in that make it possible to hide page, so you can only view the background image?
And is it possible to add two controls so you can manually browse to the images instead of the keyboard shortcuts?

https://www.ads-software.com/plugins/full-screen-background-images/