After CB Gravatar Field is successfully installed go to Field Manager and search for cb_gravatar and publish it.

Global (tab)

• Type:
  It is automatically set to Gravatar
• Tab:
  Select the tab in which you want to display it
• Show on Profile: Select type of display
• All other configuration are of no need.

 Parameters (tab)

 Layout (sub tab)

You can control the layout of that field.

 Display (sub tab)

• Style:
  Select the styling applied to the image. Note for best results use squared images. Circles can ovals if the image is not squared.
• Default Image:
  Select what default image should be displayed if email specified is invalid or missing.
• Image Size:
  Input the size in pixels from 1 to 512 the width of the gravatar image (all images are squared).
• Thumbnail Size:
  Input the size in pixels from 1 to 512 the width of the gravatar thumbnail image (all images are squared).
• Image Rating:
  Select the content rating of gravatar images. The rating includes it self and up to it self (e.g. PG includes also G images).
• Alt:
  Optionally change the display of image Alt text.
• Title:
  Optionally change the display of image Title text.
• Placeholder Value:
  Optional input substitution supported html placeholder attribute value

 Validation (sub tab)

This configuration is of no need

Integration (tab)

If you have installed CB plugin you can configure it’s interaction with CB Gravatar