Destellos en el Cursor del Blog

Hoy les mostrare como colocar destellos en el cursor del blog es un efecto muy bonito que resalta el cursor en el que navegamos, este tutorial lo vi en ciudad blogger, y asi comenzamos:
Pasos a Seguir:
Ir a Diseño/ Edicion de HTML / (Presiamos Control + F para Buscar mas Rapido)
y Buscamos </head> justo antes Pegamos:

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 En var colour="#FFFFFF"; colocamos el codigo de los Destellos.