Reused with different colors from supertuxkart/data/textures:

-water_light2    (water_light is the original)
-water_light3    
-bow             (from stk0.5)
-rock_grey       (rock is the original)
-rock_lightgrey
-rock_white


Selfmade parts and under GPL and CC-BY-SA, by Canis Lupus :

- flower4
- invisible
- Cactus1
- leave1
- leave4
- pot
- pumkin


from wikipedia :

-flower1    (http://commons.wikimedia.org/wiki/File:Flower_jtca001.jpg,
             CC-BY-SA 2.5, by Sam Oth)
-flower2    (http://commons.wikimedia.org/wiki/File:Cosmos_bipinnatus_06_ies.jpg,
             CC-BY-SA 3.0, by Frank Vincentz)
-flower3    (http://commons.wikimedia.org/wiki/File:Aster_Tataricus.JPG,
             CC-BY-SA 3.0 unported, by Pascalou petit)
-flower5    (http://commons.wikimedia.org/wiki/File:Avutil%C3%B3n_GDFL16.JPG,
             CC-BY-SA 3.0, by Luis Miguel Bugallo Sánchez)
-flower6    (http://commons.wikimedia.org/wiki/File:Zephyranthes_candida2.jpg,
             CC-BY-SA 3.0, by KENPEI's photo)
-flower7    (http://commons.wikimedia.org/wiki/File:Flor_GDFL_03.JPG,
             CC-BY-SA 3.0, by Luis Miguel Bugallo Sánchez)
-Cucurbita_pepo_04 (http://commons.wikimedia.org/wiki/File:Cucurbita_pepo_04.jpg,
             CC-BY-SA 2.5, by Nino Barbieri)


from http://www.marcchehab.org/frozenmist/index.php under CC Attribution 2.0
some with modifications by Canis Lupus

-TiZeta_barkM
-Tizeta_grey1
-TiZeta_ivy
-TiZeta_stalkM
-leave2
-leave3


from http://blender-archi.tuxfamily.org/Textures 

-Rose                      CC-BY 2.5
-Greenhouse-Palm-jubaea01  CC-BY 2.5
-Mossy_wall                CC-BY 2.5
-Palm-arecaceae            CC-BY 2.5
-Sky_horiz_17              CC-BY-NC-SA 2.5
-Sophora                   GPL
-Toptree-palm03            CC-BY 2.5


from DJHelium:

-secretgarden.ogg
