Instead of having Adobe Reader 9 save downloaded PDF files in IE7's temporary internet files folder, I would like to save them in a different folder. Is there a setting to change this (registry or otherwise?)
That's only temporary storage, in some cases only for the duration
of that IE session. If you want to save the file to disk so it's
accessible later, right-click and save target as...
You can move the TIF folder to wherever you like using (in IE7)
Internet options > General > (Browsing history) Settings > Move