Related Links gives you the possibility to manually link other posts to your current post. But you can also link pages, media or any custom post-type. And in addition you can use custom urls to link to external files. The plugin adds a Metabox to the writing page with a list of all available content. Features: Shows a list of all available content in a Metabox on the writing page Multiple links can be selected Link order can be changed through drag and drop Custom URLs can be added Search field to quickly find a link Simple theme integration with an included widget or related_links() Works with custom post-types Settings to enable the post-types that should be shown in the Metabox