If you are using illustrations in your work, then I can share with you a trick on how to save images and keep them sorted. Programs such as this one
https://www.movavi.com/photo-organizer/ allow me to save time when I'm looking for some photos or cliparts that I need for a new design project. This is really very convenient and helps you always quickly navigate in your computer or on any other device where you can find this or that file.