Can anyone find the source for these images? What TV show was this from?

Yes, it's from California Dreams.

http://famousmess.webcindario.com/bds.php?ll=J&famousm=aaronjackson&vf=Video&n=01
Actor caked: Aaron Jackson
https://www.youtube.com/watch?v=S0KItNapZ_o

Thanks!

I made larger screencaps:

Is that Ryder Strong from "Boy Meets World"?

"California Dreams"
https://www.youtube.com/watch?v=kKAwPivUot4
Full episode: Season 4, Episode 5: Fallen Idol
cake sandwich (min 18:37)
14 October 1995
Jake has a chance run in with his musical idol in Sharkey's, and the rocker actually agrees to give the Dreams a listen. Unfortunately, his intentions may not be as pure as they seem. Meanwhile, Tony suffers a bout of bad luck brought on by a cursed fortune cookie.

Another caked scene (min 11:43, actor: Michael Cade):
https://www.youtube.com/watch?v=_IomeAZgaN0

Another messy scene:
https://www.youtube.com/watch?v=uAXCda7x-wc (min: 5)
Scene from Season 5, Episode 1: Stand by Your Man
7 September 1996
"Tiffani encourages Jake to get a job fixing motorcycles at a mechanic's shop, but Lorena and Sam plant worries in her head that he's cheating on her with his attractive female boss. Meanwhile, Sly and Tony try to catch Mark doing something embarrassing on video."