Images
While you are free to share links to the articles, when it comes to images, some of them are purchased through a subscription.
Therefore, please do not save and reuse the images personally as you may be using copyrighted material.
If you need images (you have to follow the terms at the sites) two good sources are:
https://unsplash.com/
https://commons.wikimedia.org/wiki/Main_Page
Use the search box in the upper right hand corner.