Good on you for trying stuff. Some of my favorite thai dishes: green curry chicken (usually mild, ask for mild the first time, then ask for medium next time if it was too mild before).
chicken coconut milk soup (same, start with mild)
beef with thai basil, or beef with bamboo shoots (usually this will not be spicy at all)
"fresh rolls" - kind of like egg rolls but not fried, containing lettuce, rice noodles, and some meat (I ask for peanut sauce instead of the whatever sauce it comes with)
chicken satay (basically chicken on skewers with loads of peanut sauce
sticky rice with mango for dessert