Webhosting with FTP is a great one.
No thumbnails, more capacity (depending on your hosting plan), more logical structure, etc.
You simply log in with your (sub)domain, username, and password on an App like Filezilla, create a directory somewhere, and drop your images there.
This takes place in "/var/www/yamihoshi.nl/files/images" (or in Windows terms: "C:\inetpub\htmldocs\yamihoshi.nl\files\images"), and it makes this:
It seems that you're able to do it the Mason way?
So this means that your question is solved.