A few nice Yoga fitness images I found:
DSC_4875

Image by TimMurphyPhotography
Mindfulness Yoga

Image by heraldpost
Maj. Victor Won, center, teaches fellow Soldiers and family members at U.S. Army Garrison Kaiserslautern some techniques to reduce stress and improve resiliency. (Photo by Mindy Campbell, U.S. Army Garrison Kaiserslautern)