Sites like iStock and Dreamstime have massive, searchable databases specifically for "older mature lady" or "beautiful mature old woman" imagery.
If you are looking for how other creators use these galleries, these blogs are great examples of "mature" content done well: old mature galleries
For those writing about the blogging experience itself, Alamy features collections of "mature blogger" stock photography, showing older adults engaging with technology and creative work. Sites like iStock and Dreamstime have massive, searchable
This site curates popular fashion and beauty blogs specifically for mature men and women, providing a roadmap for niche inspiration. Quick Tips for Your Photo Blog or everyday life.
Decide if your gallery is for fashion, travel, or everyday life.