Tip 1: Recalibrate your stylus settings in the 3DS system settings if you're not rather getting a precise stroke out of your stylus.
Tip 2: Tap on Vince's face icon on the main menu and you'll be dealt with to some factoids on art history.
Tip 3: Do so previously sending it off to the in-game gallery if you desire to move your art work to your SD card.