I converted some lingerie for your fitchicks and here are the first three. The originals are made by Liana from Lianasims2 and I want to thank her for her generous policy. More of her creations you can find here:
http://www.lianasims2.net/.
The mesh you need (swimwear&undies) can be found here:
http://www.insimenator.org/showthread.php?t=68096&highlight=fitchick. My thanks to Poppeboy, jwilson5 and MixdCrysy for their wonderful work.


(Blue is in file1, pink in file2 and red in file3).