@ luck farm : you can use straws or thin plastic dowel pins.
Gretchen is a hoot, glad you like her videos .
As for flavours , that's up to you .
If you are putting a crumb coat , that would be a good idea.
Then spread a thin coat of buttercream to even off your top and sides, making sure there are no air pockets. If you get an air pocket after the fact , simply take a pin, insert it gently in the air pocket then smooth out the fondant again.
When rolling out your...