Well the reason behind Clock Day is that we tend to get newer users here year after year and they don't know what Clock Day is, who The Clock Crew was, and what B is. They don't know. Clock Day although I love it much has celebrated it's 10th Anniversary and I think that Clock Day should come to a close now as a holiday here on Newgrounds, sadly enough.
As far as drawing in flash artists, we still get flash artists here daily submitting their works, this is a site to share your works with and become popular enough to pull people onto your own site that showcases your works and talents.
The redesign has been cleaning a lot of things up lately which when it is released I will hope will bring many other creators together from those who do animation, make games, do art, voice act, and write. Only good can come from this pure and simple.