After receiving advice from akisa's comments, i decide to try out some simple nail arts to spice up my nails, without any tools of course. The base is my current nail color, Orly Country Khakis, the design by OPI Alpine Snow. Do give me comments on how i can do better...
flower petal design by dapping the brush tip on my nails. (personally like this one)
French tip, Strip across, another kind of tip
With Silver lining version:
French tip, Strip across, another kind of tip (can't remember)