OK, so the DFFD file is in a .rar format that needs to be unpacked first. I use a freeware utility called
www.7-zip.org to do that. However, 7-zip isn't a requirement if you use something else to unpack the file. (Some people use the .zip file type instead - it's just used to compress your save into something that will upload/download faster.)
OK, so uncompress the file and you'll get something that reads "region5-sum1717-sum-1719" (the original file was region5, rumrusher's version saved in the summer of 1717, and I'm guessing the next save is two years later in 1719. However, if you just rename the file "Tourist game-1719" or something, that won't change anything but what pops up on your dwarf fortress game selection list.)
Anyway, cut and paste (or copy/paste, just in case you want a "clean save" for safe keeping/practice) the file into the directory Vgray mentioned: Dwarf fortress --> Data --> Save. Once the save folder has been added to that directory, THEN start the game up. If you had DF running before you added the file, it won't show in the list of worlds to be played. (It only reads the titles once, when first starting up.)
Now, Masterwork has a manual bundled with the game. The link to that is on the top edge of the interface with a dwarf's picture on it. Theres a little blue book icon followed by "Dwarf Manual". Click on that to reference something each time you get confused. It's written quite clearly.
The Phobius graphic pack is default in the mod, so you don't need to install it "by hand" at all.
Very important! Breathe and try to have some fun with it! If you find mid week that getting the hang of the mod is too much, pm me and I'll put you at the end of the turn list and send a message to the next dude in line. That should give you a little more time to "get your game face on". No worries.
So was that a confirmation or...?