When you assemble the elements that will ultimately make up your restaurant brand, understand that they need to work together - not against each other. It's like assembling a stylish outfit for you to wear. Would you wear old sneakers with expensive nylons, a leather skirt, bikini top, a canvas purse with a silk bow in your hair while wearing purple lipstick with a rubber snake necklace? Using clipart elements to build your brand is the same thing. You need to make sure the elements are executed in a similar style: graphic, contemporary, traditional, organic, sketchy, cartoony, fun, warm, elegant, energetic, bold, delicate.
Any entrepreneur worth their salt knows that image is a crucial part of doing business. No one has confidence in a shabbily put together presentation or a messy, disorganised office. You might as well tell your customers outright that you're incompetent rather than waste your time trying to win them over.
Modifying clipart makes it look professional, unique, and interesting. Here are a few ways clipart can be modified to enhance its appearance: