Ease – Slick Presentation app that makes Impress look less than impressive

http://www.omgubuntu.co.uk/2010/11/ease-clutter-presentation-app-linux-ubuntu/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+d0od+(Omg!+Ubuntu!)

http://www.ease-project.org/index.html

Easily get Wine apps to match your GTK theme

http://www.omgubuntu.co.uk/2010/10/easily-get-wine-apps-to-match-your-gtk-theme/

Automatically Import All Missing Launchpad PPA GPG Keys [Ubuntu .deb]

http://www.webupd8.org/2010/05/automatically-import-all-missing.html

Popper - email notification

You can find Popper in Launchpad

How to read Ext3/Ext4 linux partition from windows 7

Original post by UbuntuGeek

AppImaghe Thumbnailer

Read more about it here

Record Ubuntu Desktop

This is something I always wanted to do but never had enough time to setup.

Follow the instructions on this post in OMG!Ubuntu

****************** UPDATE ****************

As a reply in OMG!Ubuntu they have posted this other alternative to the above