How can I get my "lazy" hair waves to beautiful waves/curls?

I don't know what to put in my hair. Like a mousse that works or some product that works. My hair dry Is more like the one on the right, but sone peices come out like the ones on the left:a href="http://www.google.com/imgres?imgurl=http://static.becomegorgeous.com/img/arts/2010/Oct/14/2948/olsentwinshairstylesnaturallookprphotos_thumb.jpg&imgrefurl=http://www.makeupandbeautycare.com/body-care/celebrity-fall-2010-hairstyle-trends.html&usg=__tQ-h7G_ikaSwlN_X_lkJx8CLz94=&h=416&w=555&sz=174&hl=en&start=0&sig2=e06_qpEkc86IEwPiBVo5Ug&zoom=1&tbnid=H3PuwVOumBQ7CM:&tbnh=167&tbnw=236&ei=x7-sTfKFGI7VgAf-w831CA&prev=/search%3Fq%3Dlazy%2Bhair%2Bwaves%26um%3D1%26hl%3Den%26client%3Dsafari%26sa%3DN%26biw%3D981%26bih%3D661%26tbm%3Disch&um=1&itbs=1&iact=hc&vpx=326&vpy=-7&dur=3169&hovh=194&hovw=259&tx=191&ty=245&oei=x7-sTfKFGI7VgAf-w831CA&page=1&ndsp=12&ved=1t:429,r:1,s:0." rel="nofollow"http://www.google.com/imgres?imgurl=http…/a Help????