Creating a Thumbnail Image Gallery Last Updated March 2026 Below are instructions for the WordPress image gallery feature. You may also wish to embed a gallery from Flickr. Before you start Optimizing your images to improve your website’s performance. Images must adhere to legal requirements and policies of the university. Important: Never link to the Attachment Page – Attachment pages in WordPress don’t pass our accessibility scan. You can link to the image file, but never link any media to the Attachment page. JPG files should be saved with sRGB color settings. Do not save JPGs with Embedded color profiles, AdobeRGB or CMYK because this will cause an undesired color shift. Add a Gallery to a Page or Post On a page or post, place your cursor where you would like the gallery to appear. Type /Gallery or click the Add Block button and select Gallery. A popup will appear with several ways to insert the Gallery: drag and drop from your computer, upload the files or select ones already in the media library. Select the images to be included in the gallery. The “Alt Text” field must include a description of each image. Learn about the legal requirement to include alternate text. Click the “Create a New Gallery” button (in the bottom-right corner). Drag and drop to reorder the images. Optionally fill in the “Caption” area to display text below each image. Review the Gallery Settings: Determine how you want the gallery to display Choose the style, aspect ratio and resolution of each image (in the block settings). Choose the alignment, crop the photo or add a caption (in the block toolbar). Example Gallery Learn More More information on managing images and media can be found on the WordPress site.