You can control exactly which post to cache by optionally specifying a post id number (or just put all to cache all posts). You can also control exactly which domain to cache from by specifying domains.
This plugin supports both curl and allowurlfopen methods in getting remote files, so it doesn't matter which method the server supports.
Installation
Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.
Key features "Hot Linked Image Cacher":
· Automatically cache hot linked images in your posts.
· No manual work required, new directories and cached images are automatically created under your plugin directory.
· You could optionally specify a post id to cache one post only.
· You could optionally specify exactly which domains to download the image from.
· Increase traffic to your site because now search engines will index your images.
· Support both curl and allowurlfopen, so this plugin will work on basically any server running php.
Requirements:
· WordPress 1.5 up to 2.3.1
Top 4 Download periodically updates information of Hot Linked Image Cacher 1.01 script from the developer, but some information may be slightly out-of-date.
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