Editor's note: One of Texas’s great exports, ZZ Top has not only been the source of classic tunes like “Sharp Dressed Man” but will forever endure in the English language as a way of describing a certain style of beard. That is, if a guy has a long, pale, inverted-triangle beard, there’s no way to describe it except, “He’s got a ZZ Top beard.” After which even people who are not fans of the band will know exactly what type of beard is being discussed. Celebrate a cultural icon with some cool ZZ Top wallpapers!