hy:)can someone help me?i really need to know the difference between metaphor and metonymy..can you give me an example?

http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Metaphor
Metaphor is defined and an example given at the top of this webpage; scroll down a bit to read about metonymy.

http://web.cn.edu/kwheeler/lit_terms_M.html
Scroll down to find the two terms.

http://www.tnellen.com/cybereng/lit_terms/
Both terms are linked here, too.

=)