wpcocktail

<p>The Site Title Caption Modifier is a simple WordPress plugin that sets the caption of all images in your WordPress site to the site title. This is particularly useful for maintaining a consistent branding or style across all posts and pages. The plugin works by hooking into the WordPress ‘img_caption_shortcode’ filter and modifying the caption output.</p>


Image Caption for WP

Automatically sets the caption of all images to your site's title.

weissmike

<p>Adds a new button to the media window and edit media screen that allow you to easily insert links into the caption field.</p>


Caption Linker

The plugin author is handsome and can read good.



Great tool!

Adds a very simple link button near the caption field of the media uploader.

Image Caption for WP vs Caption Linker