uv help

i need halp, can somebody relax the uv map? im getting some crappy overlaping for some reason ;f or just do a new uv unwraping using teh same edges ?
https://rapidshare.com/files/241829944/fin_4.obj.html

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.