In my experience the 2 clowns called Pink Skunks,
A. akallopisos and A. perideraion, are both quite hardy once established in the aquarium. I would suspect a significant problem with smaller(most frequently available at LFS's) are under feeding, improper initial treatment, etc.
fwiw: here is a picture of my orange and pink skunk pair, please excuse the cyano :>(
Find a quality supplier for your skunks, or other clowns, and I am sure you will find them closer to damsels then "delicates".
If you have not seen the clownfish list, jump over here some time to check them out:
http://reefcentral.com/forums/showthread.php?s=&threadid=305127
With regard to "tank age" and anemones, Anemones are very highly water based and "cycling", kalk, carbon, waterchanges, etc. can all wreak havoc on them.
Since you asked, please wait on the anemone for at least 9 months, and a year would be better. Then introduce a captive division of a Bubble Tip Anemone. In the meantime, your clowns will be just fine in clay flower pot, piece of PVC, etc.
Good luck.