Xporter for Jira allows you to export diagrams from Gliffy Diagrams for Jira app as a normal image.
Definition
Install the app and add the Gliffy diagrams to your issue.
To export the image and its properties, include the following mapping on your template:
That's it. No other special configuration is needed.
Example
Let's export a Gliffy Diagram.
As you can see in the image below, we've already created a diagram.
Then, we export it using the template previously created.