Index: django/db/models/fields/__init__.py
===================================================================
--- django/db/models/fields/__init__.py	(revision 9673)
+++ django/db/models/fields/__init__.py	(working copy)
@@ -417,6 +417,26 @@
         defaults.update(kwargs)
         return super(CharField, self).formfield(**defaults)
 
+
+class BinaryField(Field):
+    """Sometimes we have fields that need to store a small amount of binary
+    data. This is different then a varchar on postgresql at least because it
+    will not allow fields that are just nul bytes.
+    """
+
+    def get_internal_type(self):
+        return "BinaryField"
+
+class BlobField(Field):
+    """Sometimes we have fields that need to store a large amounts of binary
+    data. 
+    """
+
+    def get_internal_type(self):
+        return "BlobField"
+
+
+
 # TODO: Maybe move this into contrib, because it's specialized.
 class CommaSeparatedIntegerField(CharField):
     def formfield(self, **kwargs):
Index: django/db/backends/postgresql/introspection.py
===================================================================
--- django/db/backends/postgresql/introspection.py	(revision 9673)
+++ django/db/backends/postgresql/introspection.py	(working copy)
@@ -4,6 +4,7 @@
     # Maps type codes to Django Field types.
     data_types_reverse = {
         16: 'BooleanField',
+        17: 'BlobField',
         21: 'SmallIntegerField',
         23: 'IntegerField',
         25: 'TextField',
Index: django/db/backends/postgresql/creation.py
===================================================================
--- django/db/backends/postgresql/creation.py	(revision 9673)
+++ django/db/backends/postgresql/creation.py	(working copy)
@@ -8,6 +8,8 @@
     # If a column type is set to None, it won't be included in the output.
     data_types = {
         'AutoField':         'serial',
+        'BinaryField':       'bytea',
+        'BlobField':         'bytea', 
         'BooleanField':      'boolean',
         'CharField':         'varchar(%(max_length)s)',
         'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
Index: django/db/backends/sqlite3/creation.py
===================================================================
--- django/db/backends/sqlite3/creation.py	(revision 9673)
+++ django/db/backends/sqlite3/creation.py	(working copy)
@@ -9,6 +9,8 @@
     # schema inspection is more useful.
     data_types = {
         'AutoField':                    'integer',
+        'BinaryField':                  'BLOB', 
+        'BlobField':                    'BLOB', 
         'BooleanField':                 'bool',
         'CharField':                    'varchar(%(max_length)s)',
         'CommaSeparatedIntegerField':   'varchar(%(max_length)s)',
Index: django/db/backends/mysql/base.py
===================================================================
--- django/db/backends/mysql/base.py	(revision 9673)
+++ django/db/backends/mysql/base.py	(working copy)
@@ -30,6 +30,7 @@
 from django.db.backends.mysql.introspection import DatabaseIntrospection
 from django.db.backends.mysql.validation import DatabaseValidation
 from django.utils.safestring import SafeString, SafeUnicode
+from django.utils.encoding import smart_unicode
 
 # Raise exceptions for database warnings if DEBUG is on
 from django.conf import settings
@@ -46,10 +47,22 @@
 # add special handling for SafeUnicode and SafeString as MySQLdb's type
 # checking is too tight to catch those (see Django ticket #6052).
 django_conversions = conversions.copy()
+
+binstr_conversion = [(FLAG.BINARY, buffer),
+                     (FLAG.BLOB, smart_unicode),
+                     ]
+
 django_conversions.update({
     FIELD_TYPE.TIME: util.typecast_time,
     FIELD_TYPE.DECIMAL: util.typecast_decimal,
     FIELD_TYPE.NEWDECIMAL: util.typecast_decimal,
+    FIELD_TYPE.TINY_BLOB: binstr_conversion,
+    FIELD_TYPE.MEDIUM_BLOB: binstr_conversion,
+    FIELD_TYPE.LONG_BLOB: binstr_conversion,
+    FIELD_TYPE.BLOB: binstr_conversion,
+    FIELD_TYPE.VARCHAR: binstr_conversion,
+    FIELD_TYPE.VAR_STRING: binstr_conversion,
+    FIELD_TYPE.STRING: binstr_conversion,
 })
 
 # This should match the numerical portion of the version numbers (we can treat
Index: django/db/backends/mysql/introspection.py
===================================================================
--- django/db/backends/mysql/introspection.py	(revision 9673)
+++ django/db/backends/mysql/introspection.py	(working copy)
@@ -7,7 +7,10 @@
 
 class DatabaseIntrospection(BaseDatabaseIntrospection):
     data_types_reverse = {
-        FIELD_TYPE.BLOB: 'TextField',
+        FIELD_TYPE.BLOB: 'BlobField',
+        FIELD_TYPE.LONG_BLOB: 'BlobField',
+        FIELD_TYPE.TINY_BLOB: 'BlobField',
+        FIELD_TYPE.MEDIUM_BLOB: 'BlobField',
         FIELD_TYPE.CHAR: 'CharField',
         FIELD_TYPE.DECIMAL: 'DecimalField',
         FIELD_TYPE.NEWDECIMAL: 'DecimalField',
Index: django/db/backends/mysql/creation.py
===================================================================
--- django/db/backends/mysql/creation.py	(revision 9673)
+++ django/db/backends/mysql/creation.py	(working copy)
@@ -8,6 +8,8 @@
     # If a column type is set to None, it won't be included in the output.
     data_types = {
         'AutoField':         'integer AUTO_INCREMENT',
+        'BinaryField':       'varbinary(%(max_length)s)', 
+        'BlobField':         'blob', 
         'BooleanField':      'bool',
         'CharField':         'varchar(%(max_length)s)',
         'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
@@ -63,4 +65,4 @@
                 field.rel.to._meta.db_table, field.rel.to._meta.pk.column)
             ]
         return table_output, deferred
-        
\ No newline at end of file
+        
Index: django/db/backends/__init__.py
===================================================================
--- django/db/backends/__init__.py	(revision 9673)
+++ django/db/backends/__init__.py	(working copy)
@@ -172,7 +172,11 @@
         from django.utils.encoding import smart_unicode, force_unicode
 
         # Convert params to contain Unicode values.
-        to_unicode = lambda s: force_unicode(s, strings_only=True)
+        def to_unicode(s):
+            if isinstance(s,buffer):
+                return u'<binary data buffer size %d>' % len(s)
+            return force_unicode(s, strings_only=True)
+        
         if isinstance(params, (list, tuple)):
             u_params = tuple([to_unicode(val) for val in params])
         else: