You can add image in one of several ways:

» Download album image using auto tag processing
[Tools] – [Send to auto tagger] – Shortcut Key [Ctrl+Z]

» Download album image using album art finder
[Tools] – [Send to cover art finder] – Shortcut Key [Alt+F2]

Cover Art Dialog

» Copy image from other applications and paste it to Edit ID3 Tags in image window
[Edit ID3 Tags] – [Image Menu] – [Paste Image]

Paste Image To Image window

» Import album art from image files
[Tools] – [Add album art from image file ] – Shortcut Key [Alt+Z]
[Edit ID3 Tags] – [Image Menu] – [Add Image]

Import album art from image files