Audience polling is a great way to make your presentation more interactive and fun but what about it’s actual appearance?

Here we’ve listed some free resources to help you make your presentation look great

http://www.free-power-point-templates.com
Over 1300 free royalty background designs, PowerPoint illustrations, graphics, and PPT templates.

http://slidehunter.com
Free themes compatible with Microsoft PowerPoint 2010, 2007, 2010 and the new Microsoft PowerPoint 2013 but also usable in Keynote presentations or Office for Mac.

http://ppttemplate.net
Download free PowerPoint templates and free backgrounds for your presentations. Templates can be used in personal and commercial presentations but attribution is required.

http://freepowerpointtemplates.com
Free templates compatible with Microsoft Office as well as other presentation software including OpenOffice, Keynote and LibreOffice.

http://slidemodel.com
7,000+ Awesome PowerPoint Templates & Slide Designs (subscription required)