Redtube Importer/Embedder is a popular WordPress plugin which helps you to import tons of videos from Redtube very easily.
Like all XWPThemes products, it comes with around the clock support available on the Skype or through email.
You can import videos by:
– Searching by the keyword
– Any page contains videos
– List of single video URLs
this video will explain all what this plugin can do (Example by Xhamster Import plugin, this plugin is the same):