search mediafire.com using google

MediaFire is a free file hosting service that offers unlimited storage
space and up to 100MB per file which equates to a lot of files to search
through for free videos, music, and much more. By using Google, you can
check to see what others have posted for download.

To look for music files, use this:

Google: site:mediafire.com mp3|wma|ogg

For a specific artist, include the artist's name:

Google: site:mediafire.com mp3|wma|ogg daughtry

For a specific song, include the song name:

Google: site:mediafire.com mp3|wma|ogg "over you"

For video files, use this:

Google: site:mediafire.com asf|rm|avi|mp4|wmv|flv

For Comics, use this:

Google: site:mediafire.com cbr|cbz

To search for a specific comic title, include it in the query:

Google: site:mediafire.com cbr|cbz hulk

For archives:

Google: site:mediafire.com rar|zip

When you go to the resulting MediaFire page, look for this: