As you all know, the recently released Ubuntu 11.04 (Natty Narwhal) has a new interface called Unity, which brings a new, cool experience for both desktop and netbook users. One of the handy features in Unity launcher is adding Quicklists to application icons.
The steps involved in creating custom launcher are easy. The new Unity API allows anyone to create his or her own Quicklists with customer configuration file.
If you have interested, just visit at Askubuntu to get procedure and a list of custom Launchers and Quicklists for Unity.
Note: If you find any problem to your system after adding Quicklists, just delete it and restart Unity.