growing on rock

Hi again, well the tank is up and running. I'll be posting pictures at a later date. Have something unknown growing next to my shroom. Was wondering if anyone here could throw some light on it please? It's the small flowers & the cue tip little green ball.

these have been growing on my LR in different places.. not sure what they are. can you help?

I added this piece of live rock (cured) on sunday and ever since this purple thing seems to be growing. Could anyone tell me what this is? Is it a piece of coral or just a piece of the rock?

Hello again! Something else has come up and I hope you can help me out...on my live rock two things have started growing. Both grow in groups/masses. The first type is like stringy white stuff in clumps, and it has tentacle like things..like white string tied in a knot or something. The...