On my Nexus 10 I use a Leef Bridge USB flash drive to store files such as images, videos and music. I can view these files on my tablet via Nexus Media Importer. However, I'm trying to find a way to streams these files to my TV via Chromecast. NMI itself doesn't seem to support Chromecast and the Chromecast apps I have installed such as Castaway, Cloudcaster, or Localcast seem to only recognize internal files or files stored on cloud sites such as Google Drive or Dropbox, but not the files on the flash drive.