A few nice animals for free images I found:
Calf wading in the canal, East Ruston Fen
Image by spencer77
This picture is available to use for free, under the creative commons licence. All I ask is that I'm given a photo credit & a courtesy email to let me know how it's being used.
Myanmar (Burma). Free pictures for your blog and your website.
Image by photo-555.com
See free use rules and download larger size on photo-555.com