Here are some free tools and programs you can use to create multimedia projects.
Copyright-free Images:
MorgueFile
Pics4Learning
Wikimedia Commons
The New York Public Library Digital Gallery
USA Gov Images
Open Photo
Free Photo (attribution required)
Fun text/Fonts:
Image Chef
Comic Creators:
Make Believe Comix
Powtoon
Digital Storytelling:
Storybird
Animation:
GifMaker
Gyphy
Design:
Canva
This site provides information using PDF, visit this link to download the Adobe Acrobat Reader DC software.