If it only takes 4 seconds to load why worry, loading images are there to try and cover up extended loading periods.
If you want it there to show people what they are loading, just in case they have short memories and can't remember what icon they clicked just have a short pause after the image has loaded.
If you want it there to show people what they are loading, just in case they have short memories and can't remember what icon they clicked just have a short pause after the image has loaded.