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  • If you use images from the web, make sure you are not breaking copyright law. You can ask permission from the source or use images that are licensed as Creative Commons. In addition, government images usually fall in the public domain and are free from copyright.

  • Refer to K-State Library's Copyright guide for more information.

Copyright Concerns

There is an inverse relationship between print size and resolution (if you increase the print size the resolution decreases and vice-versa).

To get good results when inserting an image into a research poster, the image should be printed at a resolution of at least 120 pixels per inch (ppi).

Images that look good online may not be high enough resolution to look good in print at the size you want them to be. 

Watch the video below to see these concepts in action (click to view):

Image Resolution and Print Size

Creative Commons and Public Domain Images

  • Flickr Creative Commons

    Many Flickr users have chosen to offer their work under a Creative Commons license, and you can browse or search through content under each type of license.

  • Flickr: The Commons

    A collective of institutions that have uploaded publicly held photography collections. Images found in Flickr Commons site have “No Known Copyright Restrictions."

  • Google Advanced Image Search

    You can limit your results to creative commons by selecting "labeled for reuse" under usage rights.

  • Wikimedia Commons

    A media file repository making available public domain and freely-licensed educational media content, including images, sounds and videos.

Government Image Sources

This catalog contains photographs, fine and popular prints and drawings, posters, and architectural and engineering drawings.

A collection of over a thousand images of significant historical interest scanned at high-resolution

To search Science.gov for images, select Multimedia on the Advanced Search page.

Some photos may be protected by copyright license. Check disclaimers on each site.

Free Tools for Creating Graphics and Visualizing Data

  • Cacoo

    Drawing tool that allows you to create a variety of diagrams such as site map, flowchart, mind map, wire frame, UML diagram and network diagram.

  • D3: Data-Driven Documents

    A JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS.

  • Dygraphs

    A fast, flexible open source JavaScript charting library that can handle huge data sets.

  • Piktochart

    Create your own infographics based on your data.

  • Pixlr.com

    Easy to use online photo editor with similar features of photoshop and many effects.

  • More tools for data visualization

    A round up of 36 tools to help you present your data visually.

Additional Image Sources

Search one million images in the arts, architecture, humanities, and social sciences.

Questions? Please contact

Lisa Shappee

Library Director



111 Technology Center

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