https://juxtaview.com/
15-second video contests to help nonprofits - Juxtaview
15-second video challenges. Win prizes; help chartities; challenge friends; Like videos; get points toward stuff you want.
15 secondvideo contestshelpnonprofits
https://matadornetwork.com/tv/7-video-contests-for-travelers/
7 Video Contests for Travelers
7 video contests to enter right now
7 videoconteststravelers