Answer by Syama Meagher:
Rows of 3 are great if you have hi res images, otherwise smaller sized images in rows of 5.
A couple easy things you can do to also enhance your site:
1) Have multiple images per style so you can hover over the image and see an alternative
2) Show lifestyle, and items to scale
3) Write great copy
Feel free to email me if you have any questions:
Also, this may be helpful: