Elsa Petersen-Schepelern has a host of ideas for flavour-packed drinks. What about an ice-cold smoothie on a hot day, made with juicy strawberries, blueberries, blackberries and raspberries, all blended with orange juice? Or, for an equally healthy alternative, omit the juice and blend with low-fat yoghurt instead. Fresh and fruity, you could easily forget that it's good for you as well as delicious.Then, to be delightfully decadent, add a shot of vodka or tequila, rum or champagne and you have some of the coolest cocktails ever.