Here are two programs designed by myself.
Both of them are portable (No need to install) & tested on Windows XP & Vista.

Digital Player
A Great Music Player
Features
• Supports these music formats: *.mpg, *.mp1, *.mp2, *.mp3, *.ogg, *.wma, *.asf
• Opens these Playlist formats: *.m3l, *.m3u, *.pls And saves: *.m3l
• A new look of Windows Media Player 11
• Views song details: Name, Artist, Genre, Year
Download address: Download - 596KB

Personalization
Now you are able to personalize your computer's appearance and sounds.
Features
• An attractive Windows Vista View.
• Containing almost all Control Panel items.
• Comments for these items: Windows Color and Appearance, Desktop Background, Screen Saver, Sounds, Mouse Pointers, Theme , Display Settings
Download address: Download - 676KB