Yes, flogging ideas from jailbreak programmers 
Depth trick with wallpaper...
3D board video posted Jan 2011:
http://www.youtube.com/watch?v=wB6K14ZaWvM
Live Clock Icon...
LiveClock video posted July 2012:
http://www.youtube.com/watch?v=Kf5Ugo9Chk8
Icon Zoom effect...
Animate Dock video posted Feb 2012:
http://www.youtube.com/watch?v=rxvtKoy42IM
I'm sure all the authors names are in the credits somewhere
They could have done the job properly and included Barrel!
Depth trick with wallpaper...
3D board video posted Jan 2011:
http://www.youtube.com/watch?v=wB6K14ZaWvM
Live Clock Icon...
LiveClock video posted July 2012:
http://www.youtube.com/watch?v=Kf5Ugo9Chk8
Icon Zoom effect...
Animate Dock video posted Feb 2012:
http://www.youtube.com/watch?v=rxvtKoy42IM
I'm sure all the authors names are in the credits somewhere
They could have done the job properly and included Barrel!