Some links to resources that members may find helpful:
Free online tool for resizing images - https://resizeimage.net/
A collection of tutorials for Affinity - https://affinity.serif.com/en-gb/tutorials/photo/desktop/
Some advanced Photoshop tutorials - https://www.youtube.com/playlist?list=PLgAq9ywcGxhbsE3tUilFSeo9FybeAzdW_
A selection of Lightroom tutorials - https://www.phototraces.com/lightroom-tutorials/