A simple, classic and conservative look is the way to go for a business profile picture. Solid colours always work better than patterned clothing. Big jewellery, bright colours, patterns and the latest fashions will look dated in next to no time.
Your arms should be covered - short sleeves do not generally create the right impression. However, sleeves rolled up a couple of turns at the cuffs can convey can portray a dynamic individual eager to get on with business.
What to Wear - Don'ts
Plain white or off white shirts and blouses are the order of the day. Jackets should, as a rule, be dark toned. You should also bring along a choice of ties or neckwear.