For ideas to make it more fun, you can clap or jump on each word! or repeat the words in a funny voice. Set the text and background colors to random, include more font types and set the font to random.
Something to keep in mind is that older versions of LR didn't have sight words or pattern phonics and kids still learned to read from the program.
You can use the "Meet the sight words" videos instead, or once your little one is recognizing words, you can custom create short phrases with the sight words, as in "the cat" or "cat and dog", you can easily re-use the BK media images for these slides or find new images on the net.
Then, I just want to add, I know how it's like when your little one is not into some learning activity and sometimes there's just nothing you can do about it but except it and focus on the things that he does like.
For me, the easiest and most rewarding route is to follow my son's lead. You shouldn't care if he's learning, it's like letting him play outside, you just do it because you know it's good for him.
Where are you from? Groenewald is a very common surname where I am from (South Africa)