This snippet will let you remove image sizes from media upload gallery very similar to a recent post that will show you how to add custom image sizes to the media upload gallery.read more
With this little snippet you can add custom image sizes to media insert dialog box.
image_size_names_choose allows modification of the image size lists so that you can place a custom option within the media library.
this months featured snippets
Adding this snippet to your wordpress theme will automatically link to all image sizes. Add the first snippet to the functions.php of your wordpress theme. Then add the second snippet to the image.php or attachment.php template of your wordpress theme.read more