Washington State University Libraries has compiled a comprehensive list of multimedia open educational resources relevant to veterinary medicine topics. See the guide here:
The following image libraries and websites are just a few of the many sites with images that are in the public domain, have creative commons licensure, or allow for re-use. Most of the images you find on these sites are free to use, but it is important to review each website and/or each image for specific information on re-use.
Veterinary Information Network (VIN) offers a large collection of clinical procedure videos (students can register for free with VIN)
Veterinary Education in Video provides access to over 800 videos covering basic skills and detailed clinical procedures.
The following information was compiled by the United States Animal Health Association.
The Center for Food Security and Public Health - Iowa State University