NAKHON PATHOM, Thailand (Reuters) - In an era of chiselled supermodels and bizarre weight-loss diets a Thai beauty contest celebrated women with a bit of flesh on Sunday when heavy-weight contestants battled for the Miss Jumbo Queen crown. The annual contest, which aims to raise awareness and money for Thailand's dwindling elephant population, allows full-sized women weighing over 80 kg (12.5 stone) to show weight-conscious Thais that big is beautiful. This year, 24 women participated in the contest at the Samphran Elephant Ground and Zoo, 40 miles west of the capital Bangkok. "I want to show people that just because...