.credit
{
  display: inline-block;
  vertical-align: middle;
  line-height: 18px; /* <-- adjust this */
}
.credit > img {
    height: 30px;
    width: 30px;
}
.creditName {
  position: relative;
  top: -8px;
}
.unimagedCredit {
    position: relative;
    height: 30px;
    left: 34px;
}
.unimagedCredit > .creditName {
    position: relative;
    top: 8px;
}