a good website: http://www.wnwb.com/wnwb2005/wnwb2004/wnwb4exe/down_1.htm?tt98
you can download from here,and use it .not only wubi ,pinyin ,it can easily destinguish and let them become chinese ,but also english also can make it!
i just use it . surely,you also download a system to practise wubi ,because that's your purpose~~
http://typeeasy.kingsoft.com/ “金山打字通”
hope them can help you.