icing set

[WinterChillita]

I've decided to try making proper biscuits so I'm in need of some icing stuff. Anyone got any suggestions of what's useful for doing flowers/owls/fish? I'd like reusable rather than the throw-away bags but I don't know anything about icing tbh!
In about 50 years <a class="break-all" href="http://www.google.co.uk/imgres?imgurl=www.sweetopia.net/wp-content/uploads/2009/09/decorated-owl-cookies-450x300.jpg&imgrefurl=sweetopia.net/2009/09/how-to-decorate-cookies-with-royal-icing-top-10-tips/&usg=__VxO3mHhqa6zNgcLw17IzQjlv2Ms=&h=300&w=450&sz=32&hl=en&start=0&zoom=1&tbnid=XlDV7FWtNsnp2M:&tbnh=141&tbnw=193&prev=/images%3Fq%3Dowl%2Bsugar%2Bbiscuits%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-GB:official%26biw%3D1685%26bih%3D733%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=696&vpy=86&dur=40&hovh=183&hovw=275&tx=169&ty=90&ei=fr8lTY-KFc2WhQfzspy4Dg&oei=fr8lTY-KFc2WhQfzspy4Dg&esq=1&page=1&ndsp=36&ved=1t:429,r:4,s:0" rel="nofollow noindex" target="_blank">this is what I'm aiming for