To tip the dealer in blackjack, you can place your tip directly on the table next to your bet. It's common to use chips, often a small denomination, to show appreciation for good service or a winning session. If you’re tipping during play, you can place the chips on top of your original bet, making it clear that it’s a tip and not part of your wager. Some players choose to tip after a winning hand or at the end of a session, depending on their preference.