To my opinion your vlogs look pretty good. So why do you think it needs to improve? And what can be improved?
About the customer base, does it really grow? In numbers it does. But if you look at the activity it doesn't.
The number of posts decreased compared to 3 months ago. Both The number of upvotes remains stable as well as the daily accounts transacting. So while the actual number of Steemonians keep growing, the number of inactive ones keeps growing as well.