Here is a big list of English idioms, they are alphabetically ordered and each one as well shortly explained: http://www.usingenglish.com/reference/idioms/

What exactly do You need? What kind of idioms? edit: sorry, I didn't know there is "add a comment" option.

Hi Amir, this italki site has heaps of examples http://www.italki.com/knowledge/page/ENGLISH%20%20SLANG%20TERMS.htm

e.g "barking up the wrong tree"means "telling wrong things"

let me help.how is this: variety is the spicy of life! Have fun dude.