I, too, have scars on my arms from self-harm.
I have a tattoo on one arm in Hebrew which says daughter...as in daughter of God. I chose it as a representation of my identity in Christ and not as "cutter" or "bipolar." Im not getting into religion, simply explaining my tattoo. Beside the Hebrew I have a silhouette of a red bird which I took from a drawing I did once while in the hospital-basically, it represents my belief that it is ok to be different!

Soon, I may be adding the semi colon to it. Not because its a fad but because I like it. Initially, the semi colon project was that people were to draw it on their wrist but tattoos are popular so of course people started tattooing it. Its about like TWLOHA went...people starting tattooing love on their arms. Ya know? Most tattoos people get aren't exactly 100% original. I myself have 8 and only one is from flash but hey...Sailor Jerry rocks!