- Aah-Yeah - Flickr.com (Lizenz) - Cut-out
- Afhunta - 123RF Stock Foto
- Afhunta - 123RF Stock Foto
- Anton Kozlovsky - Fotolia.com
- AR.Pics / pixelio.de
- Arkangel - Flickr.com (Licence) - Cut-out and mirrored
- Dmitriy Shironosov - 123RF Stock Foto
- Hervé Rouveure - Fotolia.com
- Jakub Jirsak - 123RF Stock Foto
- Jakub Jirsak / 123RF Stock Foto
- Jakub Jirsak / 123RF Stock Foto
- Jean-Jacques Cordier - Fotolia.com
- Jorge Franganillo - Flickr.com (Lizenz) - Cut-out
- Joujou / pixelio.de
- Joujou / pixelio.de
- Kjetil Ree - Flickr.com (Lizenz) - Cut-out
- Loozrboy - Flickr.com (Lizenz) - Cut-out
- Matt Buck - Flickr.com (Lizenz) - Cut-out
- Nancynance - Flickr.com (Lizenz) - Cut-out
- Patrik Tschudin - Flickr.com (Lizenz) - Cut-out
- Ramon Smits - Flick.com (Lizenz) - Cut-out
- Robert - Flick.com (Lizenz) - Cut-out
- Rosmarie Voegtli - Flickr.com (Lizenz) - Cut-out
- Rupbilder - Fotolia.com
- Sauvignon / 123RF Stock Photo
- Server / 123RF Stock Foto
- Sheeler / 123RF Stock Photo
- Sheeler / 123RF Stock Photo
- Thomas Shahan - Flickr.com (Lizenz) - Cut-out
- Uetliberg - Flickr.com (Lizenz) - Cut-out
- Vinnstock / 123RF Stock Photo
- plus some photos by Emergent Actio