Not only is NG okay with traditional art, there's even a great guide for how to best present your work, written by one of our Moderators:
SourCherryJack's guide for documenting traditional art
https://sourcherryjack.newgrounds.com/news/post/1317182
Not only is NG okay with traditional art, there's even a great guide for how to best present your work, written by one of our Moderators:
SourCherryJack's guide for documenting traditional art
https://sourcherryjack.newgrounds.com/news/post/1317182
SouSTAR
You can post traditional too :)
But if they're sketches (either traditional or digital), you have to check the box that says it's a sketch :)