Here are the photos:
1/4, F10:

1/10, F7:

1/30, F4.5:

1/50, F4.5:

1/100, F4.5:

1/125, F4.5 with flash:

1/200, F4.5 with flash:

I love the second photo with this blur background the best. It bring happiness to the photo.
Panning for me always remind me of sports event and cars adds. I love the way the colours in the background smears one over the other and emphasize the subject. Here is a photo I took in the panning technique:
