Below are resources I have used in the past, or have come across and found them to be possibly useful in the future:
WhatFontIs is a great resource if you are trying to identify a font in a logo/image.
Icons always spice up a site, but many times you have to get involved with a graphics designer or pay for them. below are a few sources with great (and free!) icons:
Font Awesome is a great way to incorporate icons into your site, especially since you can use them in your css as well. They come out with new icons all the time too!