{Just wanted to say — really {enjoyed|appreciated} {the content|your work here}.

{Keep it up!|Looking forward to more}|{Stopped by to {leave a note|say thanks} — {interesting|engaging} {material|perspective} you've got here.|{Came across your {site|project} and {found it quite {interesting|thought-provoking}|really enjoyed the vibe}.
{Thanks for sharing!|Cheers}|{Appreciate the {insight|content} you're {sharing|putting out there}. {Good stuff!|Nice work}}}