Sorry to bring up an old post, but I seem to be having similar issues to celt. I had been using the default ascii graphics so far just fine (briefly tried phoebus I think but was difficult to figure out what things were without being able to look up the symbols.) Now that I pretty much know what everything is, I tried using the Ironhand pack, but also got the "everything is too tiny" problem. I usually play on a 1280x720 monitor, sometimes switching back to a 1920x1080 laptop screen on the fly. I'd be happy to just get the 1280x720 working at a readable size.
I spent the last hour following the various ideas in this thread, even using GIMP to cubically resize the Ironhand Tileset up 2x and sharpen, (and update save games), but all that seemed to do was increase loading time with no change in size. Changing my monitor resolution, even down to 800x600, also does not change the effective resolution of the game, windowed or fullscreen. I tried changing the init settings for windowed / fullscreen (normal and graphics) to various window sizes and grid sizes, all with no effect.
Has anyone happened across some sort of way to use, say, Ironhand's graphic set in a readable way for either of my resolutions? I wouldn't mind temporarily lowering my monitor resolution while playing either, if it actually worked. I'd really appreciate it, but for now may switch back to ASCII so I can actually see what's happening. Thanks in advance!
NINJA Edit: I can do the trick of locking the window into a much bigger size to get decent tile sizes, but then can't see half the screen, just as celt was able to do in this thread, if that matters.