Support Threads

I tried with standard theme and there the preview is available. I get the normal screen to resize, turn, etc the picture, but i can't see the picture, no preview.

Hello again I'm trying to change the hover color in the main navigation, but it does not work. Maybe it's too simple ;-) Altough with this code i can change the hover background-color in the main navigation, but i just want to change the hover link color.