iCapture capture the screen shots of your desktop in many ways.

Alpha Capture Support:
iCapture supports alpha capture, one of most advanced screen capture feature that enables you to capture Windows Vista/7 windows without dirty region.
Transparency Support:
iCapture supports transparency which means when you capture any region of the screen only that part is saved in image, other region remains transparent.
Multi-Region Capture:
iCapture supports multi region capture which means you can combine regions to create your custom region capture.

iCapture Features:
1. Fullscreen Capture:
Fullscreen Capture is the function which captures whole desktop screenshot.
2. Window Capture:
Window Capture is the function which allows you to capture a Window on desktop in its current state.
3. Active Window Capture:
Active Window Capture is the function which captures current active window.
4. Extended Window Capture:
Extended Window Capture is the function which allows you to capture a Window on desktop some part of which is outside of the screen. This feature does not capture scrolling window.
5. Object Capture:
Object Capture is the function which allows you to capture an object on desktop such as a button, list, text box etc.
6. Region Capture:
Region Capture is the function which allows you to capture only some region of the desktop.
7. Menu Capture:
Menu Capture is the function which allows you to capture complete active menu on desktop.
8. Wallpaper Capture:
Wallpaper Capture is the function which allows you to capture your current wallpaper.
9. Delayed Capture:
Delayed Capture is the mode which allows you to use above functionalities with specified amount of delay.
10. Support Mouse Capture:
iCapture supports mouse capture that means if enabled then your screenshots will contain mouse cursor.
11. iCapture Dock:
iCapture Dock enables you to capture your screenshots with single click and continue your work.
12. Native Shadow Capture:
iCapture supports Native Shadow Capture that means if you are using Windows Vista/7 you can capture window shadows, no need to add artificial shadows.
13. Alpha Capture Support:
Alpha Capture support enables you to capture and remove dirty region of the window.
14. Post Save Event:
Post Save Event allows you to execute specified application after capturing your screenshot.
15. Multi Region Capture:
Multi Region Capture enables you to combine multiple regions and create your own region.
16. Disabled Parent Capture:
Disabled Parent Capture allows you to capture disabled parent window of the selected window.

The license of this software is Free Trial Software, the price is $14.99, you can free download and get a free trial.