Olives and thyme go very well with one another and a classic combination. Olives are commonly marinated in olive oil and flavored with herbs like thyme. The earthiness and lemony flavor of thyme is accentuated by the saltiness, fruitiness, and rich flavor of the olive. It is a perfect match.
Yes, mixing olives and thyme are for exmple perfect for salads. If you make your own special flavoured olives, you can add fresh thyme to the olive brine. Similar herbs will do as well. Thyme marinated meat and thyme flavoured olives in a salad is wonderful. You can also make a dry martini with thyme-infused vodka and an olive.