Interface enchancements

[TuTAH1]

My suggestions are:

• Remove "Exit" and "Minimize" button, becouse the window already have buttons for this actions on the top (tautology)
• Border "Set image" button with grayish beckground, becouse currently it don't look like a button

[BlueBird67]

Hello, thank you for this interesting remarks and propositions. I will look at it whenever I will have some time beside work.