Ubuntu Skin Pack is a complete Unity-like skin for Windows 7 or XP. There's no Dash, but almost everything else is covered: icons (Humanity for the system and Faenza for the launcher), the Unity launcher, boot and login screen, the Ubuntu font as well as the Ubuntu 11.04 wallpapers.

Many users try Linux for the first time in a dual boot setup so WebUpd8 reader Satyajit has created a nice dual booting guide to help them get started.

GNOME Shell Auto Move Windows extension can be used to get some applications to always start on a specific workspace. The extension is not new, but it is a bit difficult to use so I though I'd write a post explaining exactly how to get it working (tested on Ubuntu 11.10 Oneiric Ocelot and Fedora 15).

Wally is a cross-platform wallpaper changer which uses multiple sources for getting the images: local folders, Flickr, Google, Yahoo!, Panoramio, DeviantArt, Vladstudio, Photobucket, Buzznet, Picasa, and Smugmug images.

A new Unity Mail version (0.8.5) was released today for Ubuntu 11.04 (the 0.8.x series was already available for 11.10) which adds some of the features some of you have requested, such as: Messaging Menu support, an improved configuration dialog which allows you to set custom URLs, custom mail check interval, turn on/off the notifications and more.

Update Manager Indicator is an appindicator that brings back the old Update Manager behavior (an orange icon is displayed on the panel when updates are available) with some extra features like displaying a list of updates in a submenu, option to refresh the repositories or display NotifyOSD notifications.

The project is in its early development stages, but you can already browse various software categories, install or remove software or see detailed package information. To install some applications you must click the "Add to the Apps Basket" button and then head over to the App Basked where you must click the "Install" button.

Microsoft has created some customized Windows VHDs with the purpose of allowing web designers to test websites in Internet Explorer 9, 8 and 7, for free. To make it easier to set up, xdissent has created a Mac OSX / Linux script that will download the required files, extract them, install the latest VirtualBox guest additions and so on.

GIMP Plugin Registry is a collection of plugins for GIMP image editor, available as a Debian package. Some of the included plugins: Film Grain, El Samuko GIMP Scripts (which includes effects such as "Obama Hope, Movie 300", antique photo border and more), GIMP FX Foundry (a huge collection of scripts for GIMP), Liquid Rescale, Save for Web plugin, Refocus, X11 Mouse Cursor, Warming and Cooling Filters and lots more.