I'll try to catch up now that power's back.
Another issue of Dell's Four Color Comics adapting ephemeral cartoon shows. The artist is usually not credited in things like this. The Grand Comics Database credits penciling to Larry Silverman. I'm pretty sure this link is to the same one.
This is from Four Color #1308, May 1962
The rest continued this Thursday...
Here's an example of the show:
It wasn't him and he was only a teenager at the time and hadn't yet been doing cartoon voices, but the Tin Man sounds a lot like Brian-Doyle Murray to me.