Wrong placement of the icons - Their should overlap with background positions, so background thing create "glow" effect. See comparison:

Original worldclock:


Worldclock replacement:


Seriously, it's very minor, cosmetic glitch, so I *almost* feel ashamed reporting it

/Estel

// Edit

If it's going to end in CSSU, for sake of completion, maybe worldclock should come with replacement background image for default theme, where background position would be adjusted? Of course, if adjusting position of icons themselves in program-side is too hopeless/hard work.

All after all, ade, You may feel that Your work (with important help from Nicolai and Aapo) is almost complete, if people report such things