Possible Clues:

• Mexican beer brand whose name means "two X's"
• Beer brand whose logo hints at the answers to 17-, 19-, 38-, 43- and 61-Across
• When translated to English, beer brand that hints at the common feature of the five other longest puzzle answers
• 'The Most Interesting Man in the World' beer
• Popular choice for 34-Across, and things found in 18-, 23-, and 49-Across
• Mexican beer with XX on its label