I think that sums it up.
As you apparently do not know how to download files, you have to find yourself a different approach.
As you cannot handle the download of Stevehero's actions, you have to create them - have a look at the FAQs
/t/967/1
If you cannot follow the descriptions there, then I do not see much sense in going on.
Then get some knowledge about the differences between FILENAME and tags. Just a hint: the TITLE is not the FILENAME.
Unfortunately, you do not tell us HOW you edit a filename from within mp3tag. As default, the column for filename is read-only. So what do you do?