Yes!
Here is how:
(I did not create any of the graphic packs/fonts, but I uploaded them so you may install them)Graphic packs:
Provided by myself:http://www.mediafire.com/?uyyqat9tms6u9da (http://www.mediafire.com/?uyyqat9tms6u9da)(this contains 87 tile-sets to choose from, enjoy!)
Provided by Putnam: http://dl.dropbox.com/u/13790475/cootue_curses_square_16x16.ttf (http://dl.dropbox.com/u/13790475/cootue_curses_square_16x16.ttf)
- Download the graphic packs/font
- Choose the graphics you wish to use(install it as a Font)
- When starting PuTTY go to the WINDOWS/Appearance setting and select the font you installed
- Play some dwarf fortress!