Please try out the features provided in this full featured example (excluding Premium Plugins ).
If you think you have found a bug please create an issue on the GitHub repo to report it to the developers.
Don't forget to check out our other product Plupload, your ultimate upload solution featuring HTML5 upload support.
Thanks for supporting TinyMCE! We hope it helps you and your users create great content.All the best from the TinyMCE team.