Without revealing too much about your credentials, can you elaborate on where you put the files and what the web directory is for your site (you can find that when you "edit hosting" for your domain in "Domains>Manage Domains" in the panel).
For example, my web directory is
The most common mistake people make when first hosting at dreamhost is that they get confused about where they're supposed to ftp files to for their website, so we should check that out first!
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