Dungeondraft Asset Packs Free High Quality [better] -
When looking for assets, "high quality" means high resolution (usually 256x256px per tile), seamless textures, and cohesive art styles. Here are the best repositories:
CartographyAssets.com.
where you can download packs for forests, furniture, and dungeons for $0. Crosshead Studios dungeondraft asset packs free high quality