You're from LA? That's wassup if you are.
A word of advice to you.. when sketching the letters put them close to each other, try not leave space in between them.
Your handstyle needs practice aswell it seems a little to simple, no negativity intended.
Just keep practicing and you will get better, if you have a wooden board or such material in your backyard you can practice outside with a spray paint can or markers. If you only tag on paper then try and sketch a throwie everyday. You'll get better man, just keep practicing.
Stay up.