如何用 Photoshop CS6 制作透明背景图像

Steps: 

1. load and unlock the image layer
2. using Magic Wand Tool to select and delete background
3. go to File menu select Save as to export the result as PNG or other format that support transparent backgroud.

Save it as a format which supports transparent background like PNG, GIF, TIFF, etc. (PNG is the best) DO NOT save it with JPG/JPEG, it doesn't support transparency.