We can distinguish two movements in prayer: one is passive (or receptive) by which we listen to what God is saying to us. The other is active, albeit responding to the prompts of the Holy Spirit, by which we might, for example, give praise or thanks to God or ask something of him. A well-painted piece of sacred art will include stylistic elements (ie going beyond content) that engage the viewer in such a way that it promotes both attitudes of prayer, active and passive,
The short answer to this question is just this: pray as you would normally, but look at sacred art as you do it. Good sacred art will promote a right attitude through the combination of content, compositional design, and stylistic elements. In this sense, the artist does the hard work in advance to make it easy and natural for us.
The problem with the modernists is not their emphasis on utility, but rather that they have a diminished sense of what utility is. If they are true to their ethos, their motto should not be 'form follows function', but rather 'form follows dysfunction'! And the ugliness of their buildings is all the evidence we need that there is no order outside God's order, only disorder.
"Man's purpose is to know God and to love him and to serve Him. We do this by working towards the perfection of the world."
These books offer a formation that is more likely to help children retain their faith even through the teenage years. This goes further than simply teaching the truths of the Faith. Those that develop this way of thinking will be inclined, for the rest of their lives, to read the Book of Nature and the culture with delight, so that all they see points to the unseen, and all that is good points to God.