Start with Chat GPT: https://chat.openai.com/
For Images
Adobe Firefly https://firefly.adobe.com
you can also try:http://stablediffusionweb.com https://openai.com/dall-e-2
Image Editor:https://pixlr.com/editor/
Here is my slide deck template if you'd like to use it to print your own https://docs.google.com/presentation/d/1Ft62tvgJctr0neGL1qJemcFzgv6qejj0aNVQ7avOhCw/edit?usp=sharing