Besides, there are lots of useful features in this library as well like image resizing, watermark, background and foreground settings, etc.

Here’s the list of key features:

• Upload file up to any size in .NET.
• Validate the file (size, type) before uploading.
• Upload with progress (Size, Speed, Time, Total Size, etc.)
• Upload to temp file during upload.
• Save uploaded file with too many configurations.
• Manage the Image file and save in any format (PNG, JPG, GIF, BMP, etc.)
• Save image in any size.
• Resizing styles: "Center, Tile, Stretch, Zoom, CenterIfNoZoom, Corp (Facebook style)".
• Set the Background and Foreground in your image.
• Change the image Alpha and Resolution.
• HttpHandler for generating images.
• HttpModule for generating unsaved or deleted images.
• web.config Section for Multiple settings to save file and image.
• web.config Section to manage HttpHandler and HttpModule.

http://managemedia.codeplex.com/

I highly recommend you to check this out! And comment your feedback here or in its official CodePlex page.

Hope you like it.