What if you need someone to draw salad on a plate with a glass of wine next to it? You could go through the above processes, and after a while you'd probably find someone to draw or paint it in the style you wanted. Or you could simply pick up The Big Book of Illustration Ideas 2 flip to the section marked "Food and Still Life," and find pages and pages of illustrators who can draw all kinds of food in all kinds of styles: pencil, crayon, watercolor, collage, and so on, and so on. It's a smorgasbord of illustration ideas. In fact, within these pages are the best illustrators from all over the world, found together in one place along with all their contact information.
For ease of reference, illustrators' work is cataloged by theme: People; Portraits; Food and Still Life; Buildings; Landscapes; Abstract Concepts; Diagrams; and Miscellaneous.