I've found my host family in www.aupairworld.net.. I dont have any clue about www.greataupiar.com Mostly thais are member of this wesite though...but you can try mine..and you can also contact directly with the family via mail or telephone..I'ver done every process on my own as well coz i dont want to wast my money for agentcy..i prefer save it to travel in europe..Well just check out www.aupairworld.net !!hope it's would be useful for you..Ohh one last thing the rate that they usually pay is 5.5 pound per hours..even student they pay the same rate.. so forget about that big pocket money...just make sence