Do you guys know what this is...or this?

[lietz06]

do you see the little white things? They kinda remind me of q tip ends.

The green tree looking things.

 

[mie]

Pic 1. q-tip sponges (common in newly established aquriums will diminish along with excess nutrients).
Pic 2. Some sort of marine alage/plant.

 

[spanko]

Q tips like mie said.
The algae is Halemida. Non invasise no problem.

 

[ameares8]

q-tips or Sycon sponges all the same thing I guess.