Injecting a designer's personal touch into a presentation

All presentations I design are used by others - not me

All presentations I design have a serious, professional subject

Still, I like to add a personal signature to my work. How can you do that within the constraints of the presentation other than the little reference in 8pt font on the last page?

As a designer you can steer the choice of visuals you use with things you are passionate about:

• When you need an urban street image: take one from Paris, even better Boulevard St. Germain, even better people sitting outside Cafe de Flore...
• When you need to express harmony use a black and white image of Miles Davis playing a away...
• When you need to visualize something agile and fast, take a bright yellow Mini car...
• When you need a newspaper cover, take one from a memorable date...
• The list can go on and on...