Your photo must in flatten image. Check the layer panel and make sure your photo has only a single
layer called. To set your photo as a background: Go to menu bar, then select Layer > Flatten Image.
• Your photo must in RGB color mode. To set the color mode: Go to menu bar, then select Image >
Mode > RGB Color
• Your photo must have 8 bits color. To set the color bit: Go to menu bar, then select Image > Mode > 8
Bits/Channel.