There are two hover states that you can hide:

1. The zoom effect on hover

2. The overlay hover

To remove both of these - follow this exact order.

Remove the Zoom effect on hover

1. Open Covet.pics and click into your gallery

2. Go to Customize Gallery

3. Under Layout - Style Settings, click the Item Hover tab

4. Change Animation Duration to 0

5. Click Save Changes at the bottom

Remove the Overlay hover

1. open Covet.pics and click into your gallery

2. Go to Customize Gallery

3. Under Layout - Style Settings, click the Item Hover tab

4. Under Hover Style, click the Disable hover effect box.

5. Click Save Changes at the bottom