How do I glitter paint a wall?

I have a small wall in my daughter's room (29"w x 8'h) that I would love to add a ton of sparkle to. I found wallpaper from the UK, but more costly than I'd like to spend, and the ones avail in the US are not wide enough, as I'd prefer no seams. I saw a few you tube videos of applying a mix of glitter & modge-podge, but looked a bit uneven & clumpy... any suggestions? Thanks!

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