--- a/wxPictureWindow.cpp	Sun Apr 24 14:26:29 2011 +0200
+++ b/wxPictureWindow.cpp	Sun Apr 24 17:24:28 2011 +0200
@@ -42,6 +42,8 @@
 
     _bmp = wxBitmap(i);
     SetVirtualSize(_bmp.GetWidth(), _bmp.GetHeight());
+
+    Refresh();
 }
 
 void wxPictureWindow::OnDraw(wxDC &dc)