controlling/powering 6 servos with mouse functions

hey i want to control six servos using a mouse for my robotic arm porject...i dont know how to power them as when i connect only one servo it runs fine but when i connect 2 or more the circuit gets shorted or something (according to my DC power supply)...initially i connected 9v batteries but that didnt work so i connected a dc supply later...please help how to power them

siddharthverma:
hey i want to control six servos using a mouse for my robotic arm porject...i dont know how to power them as when i connect only one servo it runs fine but when i connect 2 or more the circuit gets shorted or something (according to my DC power supply)...initially i connected 9v batteries but that didnt work so i connected a dc supply later...please help how to power them

Like below