Edit your images on the fly online with Splashup, a web-based image editor that integrates with Flickr, Facebook, and Picasa. Splashup offers up a surprising array of image editing tools, far beyond the usual crop of resize and contrast— you can also edit multiple images, play with filters and layers, use a variety of brushes, and more. Splashup is one of the best image editors in a long line of image editors; i.e., Picnik, Pixoh, and Resizr, to name just a few. What’s your favourite online image editor? Let’s hear in the comments.