Rinspeed E2 (2009)

Source - NetCarShow (4 images)

Fiat 500 Stinger (2012)

Source - Top Speed (2 images)
Source - Conceptcarz (2 images, several resolutions)

Fiat 500 ID Limited Edition

Source - Carscoop (5 images)

Fiat 500 Bicolore (2012)

Source - Top Speed (2 images)

Fiat 500 (2007) 3D Model By Evermotion

Source - Evermotion (Standalone model)
Source - Evermotion (HDModels Cars vol. 2)

Fiat 500 Coupé Zagato CAD Drawings

Source - Autoblog Spanish (7 images)

The Scorpion's Tales / Le Storie Dello Scorpione

Source - The Scorpion's Tales (English)
Source - Le Storie dello Scorpione (Italian)

Wheeler Dealers - Fiat 500

Tamiya 1/24 Fiat 500F Plamo Tsukurou Tutorial

Fiat 500L (02/12)

Source - Fiat Press
Source - Fiat Press Gallery (5 images, no direct link)