The following component palette icons (including equally named
files with appendix _150 and _200) were created by Roland Hahn.

- tcalculatedchartsource.png
- tchart.png
- tchartaxistransformations.png
- tchartcombobox.png
- tchartextentlink.png
- tchartguiconnectorbgra.png
- tchartimagelist.png
- tchartlegendpanel.png
- tchartlistbox.png
- tchartliveview.png
- tchartnavpanel.png
- tchartnavscrollbar.png
- tchartstyles.png
- tcharttoolset.png
- tdatetimeintervalchartsource.png
- tdbchartsource.png
- tintervalchartsource.png
- tlistchartsource.png
- trandomchartsource.png
- tsortedchartsource.png
- tuserdefinedchartsource.png

These images can be used freely without any restrictions.

svg sources can be found on Lazarus Components and Code Repository, 
folder image_sources.
