mobile2day offers IM+ for Skype for free, you just need to add it to your cart, register and enter the Voucher code (SHAPE100)

And here ist the direct english link to the app:

http://www.mobile2day.com/en/plattform:symbian/IM-for-Skype-for-Symbian-S60v3-v5/product_261842_details.html

Hurry up !