http://meded.ucsd.edu/clinicalmed/ - UCSD Practical Guide to Clinical Medicine from the University of California, San Diego. Explains how to examine the various parts of the body with lots of photographs showing abnormal conditions and how to assess for them.
http://www.meddean.luc.edu/lumen/meded/medicine/pulmonar/pd/contents.htm
http://www.med-ed.virginia.edu/courses/pom1/videos/index.cfm - videos of physical examination procedures from the University of Virginia
http://www.med-ed.virginia.edu/pda/video/index.cfm - videos of physical exam techniques. The videos can be downloaded to palm PDAs.

Specific Exams:

Video: Neurological Exam http://research.bidmc.harvard.edu/VPTutorials/neuro/tutorialShow.asp?setID=61701&sortOrder=1&openChapt er=none - covers exam of all cranial nerves, upper and lower extremities, reflexes (spinal nerves) and the senses
Video: Eye and Visual Field Exam http://research.bidmc.harvard.edu/VPTutorials/neuro/tutorialShow.asp?setID=102601&sortOrder=1&openChap ter=none
Video: Mental Status Exam http://research.bidmc.harvard.edu/VPTutorials/neuro/tutorialShow.asp?setID=101199&sortOrder=1&openChap ter=none

Respiratory Assessment: Adult and Child - http://www.rnceus.com/resp/respframe.html

Head-to-Toe Assessment:

Assessment by Gordon's 11 Functional Health Patterns:

http://gemini.utb.edu/nurs3606_84/box%206-1.pdf - A 2-page questionnaire from Gordon, M. (1994). Nursing diagnosis: Process and application (3rd ed.). St. Louis: Mosby; Gordon, M. (2000). Manual of nursing diagnosis: 1995-1996. St. Louis: Mosby.

ADL Assessment:

http://webmedia.unmc.edu/intmed/geriatrics/reynolds/pearlcards/functionaldisability/ADLs_form.pdf - geriatric assessment of toileting, feeding, dressing, grooming, ambulation, bathing and taking medication
http://webmedia.unmc.edu/intmed/geriatrics/reynolds/pearlcards/functionaldisability/IADLs_form.pdf - geriatric assessment of use of phone, shopping, food preparation, housekeeping, laundry, mode of transportation, how patient handles medication, and ability to handle finances

http://aspe.hhs.gov/daltcp/reports/guide.htm - even the U.S. government struggles to define what ADLs are: Measuring the Activities of Daily Living Among the Elderly: A Guide to National Surveys