Hi,
Thanks very much for your interest in our website

We have a long history with clipart.com (beginning with Zedcor, then ArtToday which we transitioned later into clipart.com) and we left shortly after JupiterMedia purchased these assets and started iCLIPART. It is my understanding that they haven't accepted new images for that site in a very long time.
With regards to licensing your work to iclipart.com you are very welcome to drop me an email and I can explain our terms of use and licensing agreement to you. I would love to see some links to your work too? We keep clipart and illustrations together on our website since our customers really like the mix of styles.
Thanks,
Alison