Index: source/blender/makesrna/intern/rna_sequencer.c
===================================================================
--- source/blender/makesrna/intern/rna_sequencer.c	(Revision 28542)
+++ source/blender/makesrna/intern/rna_sequencer.c	(Arbeitskopie)
@@ -88,6 +88,15 @@
 	iter->valid= (internal->link != NULL);
 }
 
+static void rna_SequenceEditor_active_strip_set(PointerRNA *ptr, PointerRNA value)
+{
+	Sequence *seq= (Sequence*)value.data;
+	Scene *scene= (Scene*)ptr->id.data;
+
+	if(value.data && seq->scene == scene)
+		active_seq_set(scene, seq);
+}
+
 /* internal use */
 static void rna_Sequence_frame_change_update(Scene *scene, Sequence *seq)
 {
@@ -807,6 +816,7 @@
 	RNA_def_property_flag(prop, PROP_EDITABLE);
 
 	RNA_def_property_ui_text(prop, "Active Strip", "Sequencers active strip");
+	RNA_def_property_pointer_funcs(prop, NULL, "rna_SequenceEditor_active_strip_set", NULL);
 }
 
 static void rna_def_filter_video(StructRNA *srna)
Index: source/blender/editors/space_sequencer/sequencer_edit.c
===================================================================
--- source/blender/editors/space_sequencer/sequencer_edit.c	(Revision 28542)
+++ source/blender/editors/space_sequencer/sequencer_edit.c	(Arbeitskopie)
@@ -1884,6 +1884,7 @@
 				seq_new->type= SEQ_IMAGE;
 				seq_new->len = 1;
 				seq_new->endstill = step-1;
+				seq_new->scene = scene;
 
 				/* new strip */
 				seq_new->strip= strip_new= MEM_callocN(sizeof(Strip)*1, "strip");