An excellent example of passiontide veiling comes to us through Orwell's Picnic from the Roman parish of Ss. Trinita, which also shows the veiling of images.
For parish priests considering the employment of frontals, I would point out very dignified form of antependium on the high altar as well.
Not only is it a good example of a Roman frontal, it is also using the new FSSP fabric the NLM reported to you on in Feb. 2009:
Revival in the Traditional Liturgical Arts on Display in Nantes