For the home page testimonials –
#slider-testimonials blockquote {
text-align: left;
}
#slider-testimonials .author {
background: url(http://yourdomain.com/wp-content/themes/enigmatic/images/seperator-testimonials.png) no-repeat left top;
}
or the slider in the About Us page –
.testimonials2-slider-container blockquote {
text-align: left;
background: url("images/quote.png") no-repeat scroll 0 0 transparent;
}
.testimonials2-slider-container blockquote .footer, .testimonials3-slider-container blockquote .footer {
background: url(http://yourdomain.com/wp-content/themes/enigmatic/images/seperator-testimonials.png) no-repeat left top;
}