Arduino: Soldering

This is my first experience with soldering. These are pictures of the soldering of the plug for the arduino battery pack.
I followed this video  and also got help from PhD. Koch on how to safely use the solder gun.

 

     Image 1: Soldering Gun

 

 

 Image 2: Solder wire

 

Image 3: Prepping the wire and wiring plug for soldering

 

 

Image 4: Soldered!

 

 

Image 5: Plug is ready for battery pack