DFgraphics
DFGraphics is an organisation dedicated to creating and maintaining beautiful tilesets for Dwarf Fortress, which are fun for users and creators alike!
You can read the full documentation HERE. This includes installation instructions, though we recommend using a preconfigured Starter Pack.
Contributions of any kind - graphics, raws, bugfixes, new content, documentation... - are all very welcome! Feel free to make a pull request, or ask in the Bay12 thread if you need anything.