I build my own color-scheme and I like how it brings out the pictures:

Just copy and paste this to http://www.renderosity.com/mod/gallery/member.php?my_options into the "My Style Box"...

.gallery_header { font-size:18px; font-weight:bold;
text-align:center;color:#edbe4f !important; } .gallery_cell
{color:#CCCCCC; } .gallery_menu { text-align:center; }
.gallery_table { padding: 2px; } .gallery_section_bar {
background-color:#4c6079; height:30px; } .gallery_section_cell {
background-color:#777;font-family:Verdana; font-size:14px;
font-weight:bold; color:white; padding:2px 5px 2px 2px;
height:30px; } .gallery_section_link_cell { background-color:#777;
padding:2px 2px 2px 5px; text-align:right; }
.gallery_section_link_cell a, .gallery_section_link_cell a:hover,
.gallery_section_link_cell a:active, .gallery_section_link_cell
a:visited { font-family:Verdana; font-size:12px;
text-decoration:none; } .gallery_section_link_cell a:hover {
text-decoration:underline; } a.linkshare_link_element:hover {color:
#ffffff;text-decoration: underline;} .gallery_cell { padding:4px; }
.gallery_images_cell { background:#222; padding:2px; }
.gallery_display_table { border:1px solid #404040;
border-bottom-width:0px; } .gallery_display_avatar_cell {
border-bottom:1px solid #404040; background-color:#2a2a2a;
padding:2px; } .gallery_display_title_cell { border-bottom:1px
solid #404040; height:50px; background-color:#2f2f2f; padding:2px;
vertical-align:top; } .gallery_image_title_div {
font-family:Verdana; font-size:18px; } .gallery_image_author_div {
font-family:Verdana; font-size:11px; } a.gallery_image_author_div,
a.gallery_image_author_div:hover,
a.gallery_image_author_div:active,
a.gallery_image_author_div:visited { font-family:Verdana;
font-size:11px; } .gallery_display_filler { background-color:
#2f2f2f; } .gallery_display_image_cell { padding:10px;
text-align:center; background-color:#2f2f2f; border-bottom:1px
solid #404040; } img.gallery_display_image_cell { border:1px solid
#404040; padding:0px; } a.gallery_image_action_bar,
a.gallery_image_action_bar:active,
a.gallery_image_action_bar:visited { font-size:11px;
text-decoration:none; border:1px solid #798697; padding:4px;
padding-bottom:7px; white-space:nowrap; }
a.gallery_image_action_bar:hover { font-size:11px;
text-decoration:none; border:1px solid #404040;
background-color:#2f2f2f; } a.gallery_image_action_bar img {
margin: 0 0 -5px 0; } .gallery_display_notes_cell {
background-color:#2a2a2a; padding:4px; border-bottom:1px solid
#404040; } .gallery_display_details_cell {
background-color:#2a2a2a; width:200px; border-left:1px solid
#404040; border-bottom:1px solid #404040; padding:4px;
font-size:11px; } .gallery_notes_details_header { font-weight:bold;
} .gallery_notes_details_body { padding-left:8px; }
.gallery_comment_table { border:1px solid #404040;
border-bottom-width:0px; } .gallery_comment_header_cell {
background-color:#222222; padding:4px; text-align:center;
font-family:Verdana; font-size:18px; border-bottom:1px solid
#404040; height:50px; } .gallery_comment_avatar_cell {
background-color:#2a2a2a; border-bottom:1px solid #404040;
padding:2px; } .gallery_comment_body { background-color:#2f2f2f;
border-bottom:1px solid #404040; padding:4px; }
.gallery_comment_title_div { font-size:11px; }
a.gallery_comment_title_div, a.gallery_comment_title_div:hover,
a.gallery_comment_title_div:active,
a.gallery_comment_title_div:visited { font-size:11px; }
.gallery_comment_divider_cell { background-color:#222222;
border-bottom:1px solid #404040; height:10px; } #trailimageid {
font-size: 11px; position: absolute; visibility: hidden; left: 0px;
top: 0px; width: 254px; height: 0px; z-index: 200; } .trailimagediv
{ background-color: #F1F0EE; color:#2f2f2f; border: 1px solid
#888888; } .even_handling { background-color:#495f73 !important; }
.even_new { background-color:#495f73 !important; font-weight:bold
!important; } .odd_handling { background-color: #758595 !important;
} .odd_new { background-color:#758595 !important; font-weight:bold
!important; } .even_handling:hover { background-color:#495f73
!important; } .even_new:hover { background-color:#495f73
!important; font-weight:bold !important; } .odd_handling:hover {
background-color:#758595 !important; } .odd_new:hover {
background-color:#758595 !important; font-weight:bold !important; }
#merchants_list_display { border-top-color:#A0A0A0 !important; }
#merchants_list_display a, #merchants_list_display a:active,
#merchants_list_display a:visited { color:#EDBE4F !important; }
#merchants_list_display a:hover { color:#CCCCCC !important; }
#select_merchant_box { border-color:#A0A0A0 !important;
background-color:#4C6079 !important; } #chosen_merchant_arrow_box {
border-left-color:#A0A0A0 !important; } #merchants_list {
border-color:#A0A0A0 !important; background-color:#4C6079
!important; } .inner_page {width: 820px;padding-top:
13px;padding-right: 10px;padding-bottom: 0px;padding-left:
10px;background-color: #333333;} body {font-family:
Verdana,Arial,Helvetica;font-size: 12px;color:
#a9a9a9;background-color: #222222;background-image:
none;background-position: center center;margin-top:
0px;padding-top: 0px;} #footer {height: 371px;padding-top:
10px;padding-right: 0px;padding-bottom: 10px;padding-left:
0px;clear: both;background-color: #222222;border-top-width:
5px;border-top-style: solid;border-top-color: #777777;width: 100%;}
.footer_cell a, .footer_cell a:active, .footer_cell a:visited
{font-family: verdana;font-size: 11px;text-decoration: none;color:
a9a9a9;} .footer_cell a:hover {font-family: verdana;font-size:
11px;text-decoration: underline;color: #cccccc;} #contentcontainer
{background-color: #222222;} #container {background-color:
#222222;border-color: #777777;} #right_navigation &gt ul
&gt li {background-color: #2f2f2f;} .sectionhead
{background-color: #777777 !important;} .bw_branding_footer
{background-color: #222222;} #top_navigation {float: left;width:
100%;background-color: #444444;background-image: none;height:
35px;} #right_navigation &gt ul &gt li { padding: 5px;
list-style: none; margin: 8px 0; float: left; width: 152px;
border-radius: 2px; -wekbit-border-radius: 2px; -moz-border-radius:
2px; color: #fff; background-color: #2f2f2f; border: 1px solid
#777777; } #right_navigation &gt ul &gt li &gt ul
{margin-top: 0px;background-color: #2f2f2f !important;}

...and then hit save changes. You should save the standards befor I think.