Regenerate thumbnails for videos

A script has been created to perform this task (create_thumbnail command).

Script
pod/video/management/commands/create_thubnail.py

All you need to do is position yourself in the right environment:

cd /usr/local/django_projects/podv4/
workon django_pod4

And run the regeneration command:

python manage.py create_thumbnail video_id1 video_id2

Remember to change the video IDs in the command.