If for 'too-messy' and 'sketchy' you're referring to the 'level' of your first submission (which that I've just given a quick 'glance'), I think that it'll be fine if you decide to submit them here as long as you mark them properly as 'sketches' (in case you were 'wondering' , yes, there's an option to do that which you can activate before submitting your drawings.)
Now well, as I'm not a Moderator of the Art Portal, in case that you still feel 'doubtful' regarding this topic, feel free to contact with one via PM, just in case.
Here you have the list of the 'Newgrounds-Moderation-Team', at the following link:
Gekkotsuki
If for 'too-messy' and 'sketchy' you're referring to the 'level' of your first submission (which that I've just given a quick 'glance'), I think that it'll be fine if you decide to submit them here as long as you mark them properly as 'sketches' (in case you were 'wondering' , yes, there's an option to do that which you can activate before submitting your drawings.)
Now well, as I'm not a Moderator of the Art Portal, in case that you still feel 'doubtful' regarding this topic, feel free to contact with one via PM, just in case.
Here you have the list of the 'Newgrounds-Moderation-Team', at the following link:
(https://www.newgrounds.com/wiki/help-information/site-moderation)
Felowl
Ahh, I see! thank you tons!