Adaptive images plugin transparently resizes your images, per device screen size, in order to reduce download times in mobile environments.
WP ImageEngine is an intelligent image CDN for optimizing, compressing, resizing and delivering images according to the screen- or viewport size.
Aparg Watermark and Resize is design to automatically resize and add watermark to images as they are uploaded to WordPress media library. Also you can
Adds handles around images so you can resize them live in Chrome, Safari and other webkit browsers!
Create a guestbook or local avatars or unique comments. The images be will resized on upload and originals deleted.