I think if it makes you feel better, then do it. Especially if it elicits positive feelings.

I had commented earlier about this - but I found a great link to show what I was talking about ...

[viralnova.com]

I don't like the idea, but I won't stop people doing it.

Certain cultures do so a lot. One person's "creepy" can be another's "reverent".

I might be the wrong one to ask , as I take weird as a compliment.
sounds ok to me. In fact, many years ago, portraits of dead people - dressed and propped in chairs, were a "thing" !

No you're not weird. I would have shooed everyone away though because it just does not occur to some others how other people mourn.
My Mom & I did this with my grandmother.

No,go home and create some memories on a CD(several), the Human memory fails over time, printed pictures fade from light exposure,and handling. Your Daughter may reconsider with time.....

I’ve not yet had that opportunity … and decided recently, far away, I’ll not likely attend.. Creepy replaced by sad?

My mother took some of her mother, I think it’s fair.

It was the thing to do in the 1800's. If you love someone and want one last picture, go for it.