wordpress error: File type does not meet security guidelines. Try another.

apparently certain mimetypes can't be uploaded without a plugin or editing the file whitelist (i'm looking for this inside my site). PJW Mime Config allows you to add / edit mime-types. Author: Peter Westwood This plugin allows you to configure extra mime-types for support by the inline-uploader. A new options page is added as Options ... Mime-types which allows you to add/delete the extra mime-types. http://wordpress.org/extend/plugins/pjw-mime-config/ I needed to add .ogv support for the html5 <video>