Organize your WordPress Media Library items in a better way by assigning a category to each item. Media Categories, a WordPress plugin allows you to easily assign categories to your site’s media files using a clean, simple, and searchable category meta box. Then you can use shortcode for displaying media category galleries.
Now you can adds a watermark signature or image to all of your uploaded images in your WordPress site. Signature Watermark plugin uses PNG images with transparency for watermarking your site’s images.
Speed Up Your WordPress Site By Generating Resized Images For Content Area According To Content Width.