People tend to check in during these times:
2 for $4 Filet-o-Fish at McDonald's! Limited time only. Price and participation may vary.
in the happy meals/mighty meals you can tell them you'd like more fries instead of apples or gogurt.
Go in the morning and say hi to Becky, pretty soon she'll recognize your voice on the drive through intercom - I recommend the capuccinos and strawberry banana smoothies