Fair use is an important concept when it comes to using video and photo content created by others. It allows for the limited use of copyrighted material without the need for permission from the copyright owner. However, it's crucial to understand the guidelines and limitations to avoid any legal issues. Here are some steps to help you navigate fair use:

1. Determine the purpose and character of your use: Fair use often applies when the content is used for educational, commentary, criticism, or parody purposes. If your use adds value or transforms the original material in some way, it's more likely to be considered fair use. For example, using a short clip from a movie to analyze and discuss its cinematography techniques would likely be considered fair use.
2. Consider the nature of the copyrighted work: Fair use is more likely to be applicable to factual or published works rather than highly creative or unpublished ones. Using a small portion of a news broadcast to report on a current event would likely be considered fair use.
3. Assess the amount and substantiality of the portion used: Fair use generally allows for the use of small portions of the original work. The less you use, the more likely it is to be considered fair use. For example, using a single image from a photo gallery to accompany a news article would likely be considered fair use.
4. Evaluate the effect on the potential market: Fair use typically doesn't harm the market value of the original work. If your use competes with the original work or could substitute for it, it's less likely to be considered fair use. For instance, using an entire music video in a commercial product without permission would likely not be considered fair use.

It's important to note that fair use is a legal doctrine and its application can vary depending on the jurisdiction and specific circumstances. When in doubt, it's advisable to seek legal counsel or refer to official guidelines provided by organizations like the U.S. Copyright Office.

References:

• U.S. Copyright Office - Fair Use
• Stanford Libraries - Fair Use