For those who cannot access the embedded link:
1. Navigate to https://portal.crossware365.com/cms/designer/signatures
2. Hover your cursor over the signature you are wanting to edit > Click the Edit button
3. Select FIELDS in the RHS panel to the right of the signature configuration
4. Select the field type IMAGE
5. Drag and drop the ADImageThumb image field into the signature confirguration
6. Click the drop-down menu by the SAVE & CLOSE button
7. Click Save
8. After saving your changes, click the Send Test Email button
9. Expected result when sending test email: