Need to make similar to gallery wordpress script (plugin) by johnsmith1999

Need to make similar to wordpress script (plugin) 1) script (plugin): http://codecanyon.net/item/photomosaic-for-wordpress/243422?WT.ac=category_thumb&WT.seg_1=category_thumb&WT.z_author=makfak 2)… (Budget: $70 USD, Jobs: CSS, PHP, WordPress)