Follow these steps to add a Disclaimer/Banner/Meeting link to your signature:
Go to the 'Add-ons' tab and use the 'Disclaimer', 'Banner' or 'Link' option to add the respective fields in your signature. Adjust the font size or banner width using the options provided and add a link (if you require) to redirect your recipients to another page.
To add images horizontally at the bottom of your signature, next to each other, use the 'Badges' options.