Windows Photostory  
Bring your digital photos to life with this
easy to use software. Crop and rotate pictures
add special effects, music titles and captions.
Windows Movie Maker (Vista & Win7)  
Free - and easy to get to grips with! - this
is the ideal video editing tool for beginners.
Windows Movie Maker (Windows XP)
(see above)
Format Factory
A multifunctional media converter - convert
your video, picture and music files to play on
any device - laptop / mobile phone / ipad etc
An automated download manager - ideal for
downloading Youtube video and music content
Gom Media Player
A free multimedia player that will handle a
multitude of video and music formats.