To get the prev/ next link to appear by default when the enlarged image loads (instead of mouseover), inside lightbox.css, try adding to the below two lines the code in red:
Code:
#prevLink, #prevLink:hover, #prevLink:visited:hover { background: url(../images/prevlabel.gif) left 15% no-repeat; }
#nextLink, #nextLink:hover, #nextLink:visited:hover { background: url(../images/nextlabel.gif) right 15% no-repeat; }
A quick test seems to show it works, but this is a rather complex script, so there may be unforeseen issues you'll want to check for by playing around.
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