As hostboard says .. it may be a cache or accelerator issue as all your images are coming up as instead of a simple url...
PHP Code:
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAMAAADzapwJAAAAP1BMVEX///////////////////////////////////////////////////////////////////////////////////81m6ZbAAAAFHRSTlMAAgMGGicqf4eXrcDe4+Tl5+v3/cEspesAAABhSURBVBjTxdGxDoAgDATQogJWrKi9//9WA4MJ0sHBxFsueQNQSvRTHIuqsHtoQk1qnZFjCDGDGxbEUhHSsCKUCtA3fB+y21ee3nogcPhunG3tvGZcipPtZPps/dkwfbiACy6pBWuNRSghAAAAAElFTkSuQmCC"