In the lower levels it is sometimes easier & cheaper to buy a guy for one T than heal a guy with 15 reds (that is the most ever, will heal anything over 5 days) Or give the other guy with his role (this does require a full bench of subs) greens and the injured guy sit it out. (don't rush any but keep building faciities, especially Med & Training)

The videos are dependant on advertisers, they vary greatly in availability. (Have you tried watching videos for Tokens from the main site? If you have vids for boosters likely there will be some there to watch for T)