Artweaver.

- Support of many different digital brushes e.g. chalk, charcoal, pencils...
- Standard image editing tools like gradient, crop, fill and selection tools.
- Transparency and Layers support.
- Effect filters like sharpen, blur, emboss and mosaic.
- Support for the most common file formats like AWD (Artweaver), BMP, GIF, JPEG, PCX, TGA, TIFF, PNG, and PSD (no layer support).
- Pen Tablet support for a realistic feeling.
- Support for many languages through language files.
- Artweaver is Freeware.

Sounds useful.