If I am aware of a good resource for teaching a skill, I am always going to recommend that first.
These are some of Simon's recycling directions, for the household:

Click here to download paper recycling and yellow bins.

And for ACAP:

the new one:

For learning to use his asthma inhaler:

Click here to download the file to make these cards.
These images are cut as cards, laminated, and held together with a ring.

Another set of cards, for having a blood draw taken:

download the file to make these cards

Tooth brushing instructions for Simon:

These are on five laminated sheets, with metal rings at the top, so that the sheets flip over.  It stands up in a Plexiglas document holder on the bathroom counter.  They could be made as separate cards.
Click here to download 1    2   3  4  5.

One of the last of our potty instructions:
(This has been a ten year odyssey for us.)

Click here to download these images, no words.

For my own son, I may make, over time, a half dozen different visual prompts to help him acquire a skill, and as he improves, I may need to prepare a new wall chart, new flip chart, new photos, and new words....  it is an evolving process for both of us.  This is also a trickier process for me to help you, because I need to not only be well aware of your child's functioning level, but we will also be looking at outcome, at what will help.