Plugin:BuddyPress First Letter Avatar
 Plugin website:http://dev49.net
 
 
 
 .bpfla.round-avatars {
 -webkit-border-radius:50%;
 -moz-border-radius:50%;
 border-radius:50%;
 
 /* Uncomment this for a fancy shadow around your avatars
 (you can also change the shadow parameters!):
 -webkit-box-shadow:0 0 4px rgba(0, 0, 0, .5);
 -moz-box-shadow:0 0 4px rgba(0, 0, 0, .5);
 box-shadow:0 0 4px rgba(0, 0, 0, .5);
}