This isn't exactly a serpent, although it gives a description of the snake totem and how it connects with the power of fire: http://www.linsdomain.com/totems/pages/snake.htm
Also, in the Chinese Zodiac a fire snake is described as wise, seductive, and bewitching with the ability to solve complex problems; which you can read more about here:http://www.metaphysicalzone.com/china/snake4.shtml
snakes resembles the cycle of life,death & rebirth in chinese zodiac.Fire snakes also The totem of snake reminds a very personal level that we are universal beings. This energy of fire creates passion, desire and physical vitality when it is on the material plane. Fire energy on the emotional plane becomes such as ambition, resolution and dreams. When fire acts on the mental plane it becomes intellect, charisma and leadership. When snake and the fire energy reach the spiritual plane the transmutation takes on wisdom, understanding and a connection with Great Spirit.