Welcome to the forum, star01.
1) 'At the pancake booth there will be men flipping flapjacks, with colorfully-costumed waitresses serving them.'
2) 'Your guests will envy you'. The sentence cannot be fixed as we don't know what it is that is 'split and warmed etc.'
3) It sounds like his head dropped to the ground and he picked it up and threw it.
'Just as his head hit the wall, the outfielder almost caught the ball; it dropped to the ground and he picked it up and threw it to third.'
Interested in Language