Using street light in Night Photography

Often we think street light spoils night photography, it's not always true.. take a look at the below image, 20 sec long exposure, subject is only illuminated by street light. What do you think????

Focal Length : 34 mm, Shutter Speed : 20 sec, f stop(Aperture) : f/5, ISO : 200, White Balance : Auto

Street Photography Post I

In this i'm just posting few of my pictures taken in street.... I used my Nikon D3100 with 18-55mm kit lens

Focal Length : 40mm   Shutter Speed : 1/80 of a sec(0.0125 sec) 

f stop(Aperture)  : f/5.3 ISO : 200

Focal Length : 55mm   Shutter Speed : 1/80 of a sec(0.0125 sec) 

f stop(Aperture)  : f/5.6 ISO : 200 

Focal Length : 32mm   Shutter Speed : 1/80 of a sec(0.0125 sec) 

f stop(Aperture)  : f/7.1 ISO : 400 

Focal Length : 24mm   Shutter Speed : 1/80 of a sec(0.0125 sec) 

f stop(Aperture)  : f/7.1 ISO : 400

Focal Length : 55mm   Shutter Speed : 1/80 of a sec(0.0125 sec) 

f stop(Aperture)  : f/5.6 ISO : 200 

Focal Length : 55mm   Shutter Speed : 1/80 of a sec(0.0125 sec) 

f stop(Aperture)  : f/5.6 ISO : 200 

Please share your views on these images......