This picture shows a Marsnik spacecraft. Note: This is a model of Venera-1, not the 1M probe. 1M did not have the dome shaped section on top (DonPMitchell) 22:56, 17 May 2010 (UTC).
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]