Here is a set of traveler silhouette. It can be scaled to any size without loss of resolution.
All vectors on this site are free to use for both commercial and personal projects.
Business Woman Vector Presentation is a free business woman vector for Adobe Illustration (.ai) with a woman running a presentation for her company. You can download this business woman vector for business presentations in PowerPoint.
This free vector file is brought to you by http://slidehunter.com