How to get a link to credit a Storyline Stock photo

Interesting question that someone who works with Articulate will jump in and answer soon.

In the meantime, here is a link that might help.

Assuming the photo comes from the Content Library, you may be able to pass the following link and information along to your client.

Sourced from: https://articulate.com/support/article/Articulate-360-FAQs-Content-Library#stock-images

Are Content Library 360 images, icons, and videos royalty free?
Yes. Content Library 360 has 8.3+ million photos, illustrations, icons, and videos from several sources that you can access right from Storyline 360. And you can choose Content Library 360 photos and illustrations for your Rise 360 courses with one click. They're all royalty free for commercial and non-commercial use—no attribution required.

Can I use Content Library 360 assets outside of Articulate e-learning courses?
You may edit and use Content Library 360 assets any way you like in the courses you build with Articulate 360 apps, such as Storyline 360. However, you can't use assets outside of Articulate 360 apps. For example, their use is prohibited in product brochures or websites. See section 2.11 in our terms of service.