The NextGEN Gallery Plugin is the most popular gallery plugin in WordPress. Its a powerful engine for uploading and managing galleries of images, as well as batch upload, import meta data, add/delete, rearrange, and sort images.. you can edit thumbnails and group galleries into albums
This is what our Gallery page looks like before the WordPress Plugin.
After activating the WordPress Plugin, the gallery button is added on posts and Pages. Click it to add images from the gallery Plugin.
Click to add files then drag and highlight all the images you want to put into the gallery, then click upload.
After you have uploaded the images for the gallery there are many other options for managing your galleries and your albums that can be found in 3 places shown in the images below.