Omni Systems, Inc. Mif2Go User's Guide, Version 55
> 18 Splitting and extracting files > 18.7 Customizing and replacing extracts > 18.7.3 Replacing extracts with links in the parent file > 18.7.3.2 Using thumbnails for links to illustrations in HTML
In extract replacement code you can provide a thumbnail—a miniature version—of the first graphic in the extract, and use the thumbnail as a link to the extract.
§18.7.3.2.1 Choosing a thumbnail method
§18.7.3.2.2 Providing separate thumbnails
§18.7.3.2.3 Providing scaled thumbnails
§18.7.3.2.4 Including text with a thumbnail