ScalableLightbox is a jQuery plugin for building aesthetically minimalistic, responsive picture lightboxes. Features an index module for providing an overview with thumbnails as well as a lightbox module, for displaying high-res images in a responsive manner.
bLazy is a lightweight lazy loading image script. It lets you lazy load and multi-serve your images so you can save bandwidth and server requests. The user will have faster load times and save data loaded if he/she doesn't browse the whole page.
Image Cropper is a jQuery image cropping plugin with preview and some options.
Panorama Viewer is a jQuery plugin to Embed interactive panorama photos on your site.
PicStrips adds a little style to your images to help them stand out from the crowd. You can split your images into any number of strips, specify the whitespace between each strip and also the amount of vertical whitespace added at the top and bottom of alternate strips.
jFlickrFeed Plugin makes it easy to pull Flickr feeds and display them on your site.