Select / Radio
Radio group input.
tip
Enable Inline elements parameter in Design Settings tab to display selection inline.
Additional parameters
Options
Select values should be separated with new line.
Use ^Option Text to check default.
Use Option Text {{null}} to create option without value.
Use Option Text {{val VALUE}} to set different option value.
Adding images to Select / Radio and Select / Checkbox
Add images to select fields from media folder with the code:
Option {{img myfolder/myfile.png}}
Upload images to your media folder using your FTP client (such as WinSCP).
Then put correct codes near select field values like on the screenshot.