Path to icons / format

Hi, I am wondering if one of you knows the path where the icons for desktop entries are stored. What's more, which format and how many pixels should an icon have to be displayed properly? I think it was png and if I resize it with gimp to have the same pixel number as the existing ones it should work (?). Background is, I scanned the camel from a cigarette box and would like to use it as the icon for evolution, which uses a program named camel as mail transfer backend. Don't tell me I'm mad, I already know :-) Cheers ... Wolfi __________________________________________________ Do You Yahoo!? Find a job, post your resume. http://careers.yahoo.com