Sure the examples help you - you adapt them. Just because someone hasnt done it before they ceraintly have send images, they have converted buffers to base64 and back.
So taking this thread
I made this...
and received this in my inbox...
sample flow (note i deleted the email node for privacy)...
[{"id":"e73e2624.4459a8","type":"inject","z":"e360ac5b.0ab79","name":"base 64 image","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"NR Test image","payload":"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","payloadType":"str","x":160,"y":60,"wires":[["e5f61250.26cb4"]]},{"id":"e5f61250.26cb4","type":"base64","z":"e360ac5b.0ab79","name":"","action":"","property":"payload","x":320,"y":60,"wires":[["604a8eaf.6d4ac","d6ca2446.6053c8"]]},{"id":"604a8eaf.6d4ac","type":"change","z":"e360ac5b.0ab79","name":"Flow 3 : Setup mail content","rules":[{"t":"set","p":"cid","pt":"msg","to":"","tot":"date"},{"t":"set","p":"attachments","pt":"msg","to":"[{\t \"filename\": 'image_' & $replace($now(),\":\",\"_\") & '.jpg', \t \"content\": $$.payload,\t \"cid\": \"\" & cid & \"\"\t}]","tot":"jsonata"},{"t":"set","p":"topic","pt":"msg","to":"See attached image","tot":"str"},{"t":"set","p":"payload","pt":"msg","to":"'<img src=\"cid:' & cid & '\"/>'","tot":"jsonata"}],"action":"","property":"","from":"","to":"","reg":false,"x":180,"y":120,"wires":[["58495115.e70dc","e7e50356.464ba"]]},{"id":"58495115.e70dc","type":"debug","z":"e360ac5b.0ab79","name":"","active":true,"tosidebar":true,"console":false,"tostatus":true,"complete":"true","targetType":"full","statusVal":"payload","statusType":"auto","x":170,"y":200,"wires":[]}]
