Here are some great examples of lightning photography to inspire you. Also make sure and check out our tutorial on lightning photography.
nini_filippini

Willy Marthinussen

Lev Tsimring

Dragan Jovancevic

Mario Jean

Manolis Thr

ViaMoi

Kuzeytac

VJ Spectra

nini_filippini

Philip Schexnayder

Manolis Thr

source: http://www.thephotoargus.com/inspiration/30-fantastic-examples-of-lightning-photography/