diff -u trunk/uvc_queue.c ../uvc-dfu07/trunk/uvc_queue.c
--- trunk/uvc_queue.c	2008-05-06 00:48:16.000000000 -0500
+++ ../uvc-dfu07/trunk/uvc_queue.c	2008-05-24 01:01:34.000000000 -0500
@@ -287,10 +287,13 @@
  * available.
  */
 int uvc_dequeue_buffer(struct uvc_video_queue *queue,
-		struct v4l2_buffer *v4l2_buf, int nonblocking)
+		struct v4l2_buffer *v4l2_buf, int nonblocking,
+		struct uvc_frame *frame)
 {
 	struct uvc_buffer *buf;
 	int ret = 0;
+	int i;
+	char swap[frame->wWidth << 1];
 
 	if (v4l2_buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
 	    v4l2_buf->memory != V4L2_MEMORY_MMAP) {
@@ -333,6 +336,20 @@
 		goto done;
 	}
 
+	// Flip webcam image.
+	for (i = 0; i < (frame->wHeight >> 1); i++) {
+		memcpy(&swap, (char *) queue->mem + buf->buf.m.offset +
+			i * (frame->wWidth << 1), (frame->wWidth << 1));
+		memcpy((char *) queue->mem + buf->buf.m.offset +
+			i * (frame->wWidth << 1),
+			(char *) queue->mem + buf->buf.m.offset +
+			(frame->wHeight - 1 - i) *
+			(frame->wWidth << 1), (frame->wWidth << 1));
+		memcpy((char *) queue->mem + buf->buf.m.offset +
+			(frame->wHeight - 1 - i) *
+			(frame->wWidth << 1) , &swap, (frame->wWidth << 1));
+	}
+
 	list_del(&buf->stream);
 	__uvc_query_buffer(buf, v4l2_buf);
 
diff -u trunk/uvc_v4l2.c ../uvc-dfu07/trunk/uvc_v4l2.c
--- trunk/uvc_v4l2.c	2008-05-06 00:48:16.000000000 -0500
+++ ../uvc-dfu07/trunk/uvc_v4l2.c	2008-05-24 00:36:24.000000000 -0500
@@ -877,7 +877,8 @@
 			return -EBUSY;
 
 		return uvc_dequeue_buffer(&video->queue, arg,
-			file->f_flags & O_NONBLOCK);
+			file->f_flags & O_NONBLOCK,
+			video->streaming->cur_frame);
 
 	case VIDIOC_STREAMON:
 	{
diff -u trunk/uvcvideo.h ../uvc-dfu07/trunk/uvcvideo.h
--- trunk/uvcvideo.h	2008-05-06 00:48:16.000000000 -0500
+++ ../uvc-dfu07/trunk/uvcvideo.h	2008-05-24 00:36:24.000000000 -0500
@@ -711,7 +711,8 @@
 extern int uvc_queue_buffer(struct uvc_video_queue *queue,
 		struct v4l2_buffer *v4l2_buf);
 extern int uvc_dequeue_buffer(struct uvc_video_queue *queue,
-		struct v4l2_buffer *v4l2_buf, int nonblocking);
+		struct v4l2_buffer *v4l2_buf, int nonblocking,
+		struct uvc_frame *frame);
 extern int uvc_queue_enable(struct uvc_video_queue *queue, int enable);
 extern void uvc_queue_cancel(struct uvc_video_queue *queue);
 extern struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,