It's hard to develop acting skills without actually doing it, but here are some resources that can be a good guide.
Almost everybody has a mobile movie-making studio in their pockets. Learn some tips and tricks to bring your videos to life and make them more interesting. Check out some video editing apps to combine clips and add music/effects.
How about free stock photos or video? Tired of Google searching for something only to find results with watermarks or for purchase? Try these websites out. Great for background images, green screen, storyboards.
Pexels - Photos and Videos
Pixabay - Photos and Videos
Unsplash - Photos
Openclipart - Clipart
Stories by Freepik - Cartoony illustrations
The Noun Project - Icons
Looking for free music or sound effects to enhance your drama performances? Check out these links:
Sound effects
http://soundbible.com/ - free downloadable clips
http://bbcsfx.acropolis.org.uk/ - free downloadable clips
https://freesound.org/ - free downloadable clips (account required)
Background music
https://www.bensound.com/royalty-free-music - free background music in a variety of genres
https://freemusicarchive.org/static - free background music in a variety of genres
http://www.televisiontunes.com/ - free downloadable clips, mostly TV themes
https://tabletopaudio.com - free streaming soundscapes, mostly fantasy-themed
http://www.freetech4teachers.com/2016/08/six-good-places-to-find-free-music-and.html - a list of other resources (some of these included)