Posterous will do this for multimedia - you email it as an attachment or upload it (or there is API access, I believe) and it will upload it to the appropriate

Posterous will do this for multimedia - you email it as an attachment or upload it (or there is API access, I believe) and it will upload it to the appropriate site(s) based on the accounts you have set up (photos to Flickr, videos to YouTube, etc). It will also create a Posterous blog but you don't need to make it public.