How to access Image created at runtime

Question

I have a WPF Window that at loading time generate a variable number of image with this for cycle : 

public Window1()
{
InitializeComponent();

int numPos = 5;

for (int i = 1; i <= numPos; i++)
{
Image imageStatus = new Image(); 
imageStatus.Name = "Image" + i;
statusGrid.Children.Add(imageStatus);
}
}


Now i need to access at this image from a timer that every 10 seconds change the image.Source Property of every image crested at runtime ..

How Can i do this ?