Website Image Replacement

I have 23 service-description pages that still carry placeholder graphics. By the end of this weekend I want to swap every dummy out for a polished, professional-and-corporate image that fits the exact dimensions already in place on the site... (Budget: ₹600 - ₹1500 INR, Jobs: Adobe Illustrator, Adobe Photoshop, Content Creation, Graphic Design, HTML, Logo Design, Photo Editing, Photography, Visual Design, Website Design)