Having made A picture of KDE 4.5 on subject of a previous, present to you new features in KDE 4.5 pictures:
To see full image click on it
1 - Re-arrange schedule for device control settings:
2 - Status of new information through:
3 - a new view of Decorative windows with possibility to download new ones directly:
4 - tiling windows, and is a feature to show all windows with each other to facilitate movement between them.
5 - and last desktop with new improvements in calendar where he became a display of important events: