A bit shuffle about with some Icons and also a new dock on my screenshot, since i upgraded to 5.1.1 last weekend.
Homescreen Wallpaper by iKon - [link]
Mountain Lion Dock Port by Andrea Fedi - [link]
Lockscreen is Tenuitas by Andrea Fedi - [link]
Badge is Alpine HD by Thyraz I think
Any other questions feel free to ask away.