s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(('192.168.0.24', 54917))
print 'Serv on address: ', s.getpeername()
for i in range(3):
    content = s.recv(300000)
    print len(content)
    ima=Image.open(StringIO.StringIO(content)).quantize(colors=96, method=1)

Serv on address:  ('192.168.0.24', 54917)
1448
Traceback (most recent call last):
  File "/media/truecrypt1/socket_client.py", line 20, in <module>
    ima=Image.open(StringIO.StringIO(content)).quantize(colors=96, method=1)
  File "/usr/lib/python2.6/dist-packages/PIL/Image.py", line 717, in quantize
    self.load()
  File "/usr/lib/python2.6/dist-packages/PIL/ImageFile.py", line 198, in load
    s = read(self.decodermaxblock)
  File "/usr/lib/python2.6/dist-packages/PIL/PngImagePlugin.py", line 391, in load_read
    cid, pos, len = self.png.read()
  File "/usr/lib/python2.6/dist-packages/PIL/PngImagePlugin.py", line 96, in read
    len = i32(s)
  File "/usr/lib/python2.6/dist-packages/PIL/PngImagePlugin.py", line 44, in i32
    return ord(c[3]) + (ord(c[2])<<8) + (ord(c[1])<<16) + (ord(c[0])<<24)
IndexError: string index out of range

ima=Image.open(StringIO.StringIO(content)).quantize(colors=96, method=1)

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # плакал IPv6 горькими слезами, 
# ... потомучто  злой хзяин (программист) забыл выполнить http://docs.python.org/library/socket.html#socket.getaddrinfo

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
SEND_NUMBER = 300000
s.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, SEND_NUMBER)
s.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, SEND_NUMBER)