Sunset is one of my favourite times of the day to take photos, and including a silhouette against the great sunset colours in the sky can make for an interesting photo.
This silhouette is of my wife holding our youngest daughter Samantha, at Fremantle, when my daughter was about 6 months old.

mother and daughter watching the sunset

Fremantle, Western Australia
Canon EOS 350D, 70-200mm f/4L @87mm, 1/800 sec, f/4, ISO400