This started out as something completely different in my mind, but this is what it blossomed into.  There is a black sparkly background (not that you can really tell), then I splattered over it (using the drinking straw method) the orange, then red, and I finished it off with some white stitches.

Polishes Used:
Black - OPI #DS037 DS Mystery
Orange - Sally Hansen X-treme Wear # 150 Sun Kissed
Red - Salley Hansen Insta-Dri #170 Red-io Active
White - White Acrylic paint

Tools Used:
Liner brush
Drinking straw

I did these to compliment my Away Team nails. I could use a bit of practice with perspective, but I think for a first try they came out pretty nicely.

I started with white nail pen, but it proved too shaky, so I switched to the tried and true, simply, easy flowing, acrylic paint.

Polishes Used:

Black - Orly #40484 Liquid Vinyl

White acrylic paint

Yup, I've gotten into Star Trek:TNG. I'm currently on season 3 marathoning my way through while doing my nails.

Here's my representation of the typical away team: Riker, Data, Geordie, Worf, an Dr. Crusher.

Polishes Used:

Red - Sally Hansen Complete Salon Manicure #570 Right Said Red

Gold - 1st coat Sally Hansen Insta-Dri #250 Lightening

2nd coat Sally Hansen Insta-Dri #120 Chop Chop Chopper

Blue - Sally Hansen X-treme Wear #420 Pacific Blue

Black - Orly #40484 Liquid Vinyl

This weekend was the Minneapolis Comic Con.  It was quite the spectacle.  I picked up some bitching prints, saw some crazy (and lazy) cosplayers, oh, and I got my picture taken with Nathan Fillion!  Obviously I had to paint my nails to match the occasion, and after watching the entire Firefly series while I was off work being sick, naturally I decided to do Firefly inspired nails.
I had to keep it simple because I still was not feeling well.  So, I ended up with a gradient of Jayne Cobb's hat and did a simple line drawing of said hat.
This picture was also taken after a few days of wear.

Tools Used:
Make-up sponge
Black Sharpie marker

Polished Used:
White base - China Glaze #023 White on White
Yellow - Sally Hansen Insta-Dri #250 Lightening
Orange - Pure Ice #762CP Hot Tamale
Red - Sally Hansen Insta-Dri #170 Red-io Active

These are inspired from one of my favorite scenes in Seinfeld where Jerry is dreaming that he put Uncle Leo in prison (I'll try to attach the video below).  In the scene, Uncle Leo is doing pull-ups and he has JERRY and HELLO as knuckle tattoos.

I decided to do two accent nails based off my tattoo.  I accomplished this look with a variety of blue acrylic paints and mixing up my own pinks, and a variety of liner brushes.  I'm sure you could do this with nail polish if you have the right colors.

Tools Used:
Small & medium liner brushes

Polishes Used:
Base Blue - Sally Hansen Xtreme Wear #420 Pacific Blue
Red acrylic paint
White acrylic paint
Variety of blue acrylic paints

There are two different ways to get the Tron look on your nails: 
1) You can free-hand, which is what I did  or 2) you could use striping tape, which I didn't have on-hand. 
 
I decided that I was going to use my nail art pens for these since they are easier to control for straight lines, but I encountered a problem - the blue pen didn't show up on top of the black.  To remedy this, I simply drew the lines first with my white nail pen, waited for it to dry, then colored them in with the bright blue.  Boom, Tron nails.

These pictures are pre-clean up.
Also, I'm going to include pictures of both of my hands.  Try to guess which is my dominant hand ;)

Polishes Used:
Black - Sally Hansen X-treme Wear #370 Black Out
White - Sally Hansen Nail Art Pen
Bright Blue - Sally Hansen Nail Art Pen