I'm completely dumb at the Apple-way-of-scripting. I wanted something I could throw on my desktop that I could double click and it would open a terminal window and ssh somewhere. I'm not sure how useful this will actually *be* to me, but given it took me non-zero time with google to figure it out… thanks to various stackoverflow posts.
Open Applescript Editor. Put in:
tell application Terminal
do script "ssh hostname"
set bounds of front window to {63, 640, 1212, 1022}
end tell
File | Export … and save it as an application. Put it on your desktop, giving it a reasonable name. Done. If you want to later edit the script (say, to set boundaries :) ), right click, Show Package Contents, then go into Contents\Resources\Scripts and edit the main.scpt file you'll find. The "set bounds" statement places the window at the bottom-left-ish and makes it 160x25 at my current resolution and font size. I can't figure out how to tell Terminal to just set itself to 160x25 without also moving it, and I expect that the actual characters displayed depends on font, size, etc.