Copyright law plays a big part in how you can use and re-use materials in your scholarly work. Most images found in the library's subscription databases may be used if they are cited. Before using an image, check whether it is free for reuse.
For more detailed information about copyright laws and fair use guidelines, please refer to our CopyRight! guide.
Websites with free images:
Yahoo Images - Click on "Filter", then "Usage Rights" to see which images are free. 
Consider adding a qr code to your poster that links to your research paper or a copy of your poster.
The following websites provide free qr code creation:
Designing Science Presentations by