File:SonicRiders2.PNG

Fair Use rationale for Sonic Riders: Zero Gravity

 * Sega has not released any such images into the public domain
 * The image fulfills the criteria laid out at Template:Non-free game cover.
 * The image does not impede the publishers ability to sell the game.
 * Rationale provided by  A n g e l i q u e  talk

Summary
Sonic Riders: Zero Gravity cover art (source: Amazon)

https://www.amazon.com/Sega-65013-Sonic-Riders-Gravity/dp/B000YUYNTK/ref=pd_bbs_sr_1?ie=UTF8&s=videogames&qid=1197862337&sr=1-1