**Media File Renamer**
„http://wordpress.org/extend/plugins/media-file-renamer/“:http://wordpress.org/extend/plugins/media-file-renamer/
This plugins allows you to rename physically the media files by updating their titles. It also updates theirs links in the posts automatically.
With this plugin, by updating the name of the image / media, you will also:
– rename physically the filename
– modify the guid of the media
– update all the references to that media in the associated post if there is any (img, src, url…)
