Websites to obtain and edit images:
Pixabay.com – 1280 x 868 good resolution option for images
Pixlr.com – good for resizing images, 80% good quality for internet
Notes:
- change file name
- alt text
- caption
- alignment
- link
Plugins:
Regenerate Thumbnails
WordPress reference:
Hueman theme shortcodes under “more” how to make columns