If you can send it as text, an image, or video, it should be fine! We broadly categorize artwork submissions into 5 categories:
Digital 2D - Digital photography, graphic design, digital drawing, digital painting, digital collage, digital image manipulation, web page design, etc.
Digital 3D - 3D graphics, 3D models, digital sculpture, and more.
2D - Film photography, drawing, painting, traditional illustration, collage, prints, etc.
3D - Sculptures, metalwork, ceramics, wood furniture, assemblages, installation art, etc.
Other - Anything that doesn't seem to fit into the previous categories. Animation, film, multimedia, interdisciplinary work, writing, music, performances, etc.