Im painting my saurus and want this skin scheme but unsure how to achieve it I'm thinking white undercoat and light bluewash ? http://www.google.co.uk/imgres?q=lizardmen+saurus&hl=en&safe=off&sa=X&biw=1360&bih=673&tbm=isch&prmd=imvns&tbnid=G8Gg71TpQvSsMM:&imgrefurl=http://www.games-workshop.com/gws/catalog/productDetail.jsp%3FprodId%3Dprod820845&docid=IBJPq2xddrV0UM&imgurl=http://www.games-workshop.com/MEDIA_CustomProductCatalog/m1182249_99060208058_LizardmenSaurusOldBloodMain_445x319.jpg&w=444&h=319&ei=EehsT4O0IerV0QXK2aDNBg&zoom=1&iact=hc&vpx=1052&vpy=318&dur=60&hovh=190&hovw=265&tx=215&ty=102&sig=103383699397054163766&page=1&tbnh=135&tbnw=188&start=0&ndsp=18&ved=1t:429,r:11,s:0 (it's the white/light blue saurus from the gw site)