The server is running PHP Version 5.3.2 which includes the listed gd library. Does PHP need to be updated or can the gd library be updated? Can the contact form security code Captcha feature be turned off to test the form?
gd
GD Support => enabled
GD Version => bundled (2.0.34 compatible)
GIF Read Support => enabled
GIF Create Support => enabled
JPEG Support => enabled
libJPEG Version => 8b
PNG Support => enabled
libPNG Version => 1.4.3
WBMP Support => enabled
XBM Support => enabled
Directive => Local Value => Master Value
gd.jpeg_ignore_warning => 0 => 0