Squarespace Photo Upload & Layout

I have an existing Squarespace site and need help weaving a fresh batch of more than 20 photos into two key areas: the homepage and the gallery page. The visual flow already works well; what’s missing... (Budget: $250 - $750 USD, Jobs: CSS, Graphic Design, HTML, Image Processing, Photo Editing, SEO, Squarespace, Web Design, Web Development, Website Design)