Make sure you are using uccw v2.1.2 before using this this skin. You can get the latest uccw from here.
If the Blue and Green will not work on your device you can download them from here and import into UCCW.
How to install the skin:
1. Add UCCW widget.
2. Pick Digital Blue skin from the list inside uccw.
3. Touch the hand icon when it appears and wait for a few seconds.