Plgin leaks memory and GDI object with 6u4 pit build. 
Platform: Windows XP -SP2 - 512 MB Ram 
Intel Pentim 4 CPU 2.66 GHZ , non - HT
Here are results :
TC4_01: (Memory , GDI and Handle Leaks)Duration 19 hours - Refresh Interval 5 sec
Handle Count : 684  .. 32390
Private Bytes: 38473728 .. 281468928
Working Set  : 37507072 .. 286400512
GDI 	     : 349 .. 9995
TC1_01:  (Only Memory Leak)Duration 24 hours - Refresh Interval 2 sec
Handle Count : 626  .. 836
Private Bytes: 39448576 .. 238698496
Working Set  : 37453824 .. 154505216
GDI 	     : 289 .. 309
 
TC2_03:  ( Memory,Handl and GDI Leak) Duration 24 hours - Refresh Interval 2 sec
Handle Count : 606  .. 9112
Private Bytes: 37527552 .. 111812608
Working Set  : 35590144 .. 111816704
GDI 	     : 291 .. 9999
TC3_01:  ( Memory,Handl and GDI Leak) Duration 24 hours - Refresh Interval 2 sec
Handle Count : 620  .. 26051
Private Bytes: 37756928 .. 261386240
Working Set  : 36073472 .. 265269248
GDI 	     : 293 .. 9999
TC3_02:  ( Memory,Handl and GDI Leak) Duration 24 hours - Refresh Interval 2 sec
Handle Count : 620  .. 26051
Private Bytes: 37756928 .. 261386240
Working Set  : 36073472 .. 265269248
GDI 	     : 293 .. 9999
TC4_02:  ( Memory,Handl and GDI Leak) Duration 24 hours - Refresh Interval 2 sec
Handle Count : 582  .. 13540
Private Bytes: 37302272 .. 150966272
Working Set  : 35102720 .. 154841088
GDI 	     : 291 .. 9999
Reproduce: Run the Y* Nightly runs against 6u4 for 24 hours.