lolcat (via http://speaklolcat.com/):
GRAB UR G1, OPEN ANDROID MARKIT, AN DOWNLOAD TEH LOLCAT BUILDR BY DAVID BROWN. ONCE INSTALLD, U SIMPLY SELECT FOTO, ADD UR LOLCAT CAPSHUNS 2 TEH TOP OR BOTTOM (OR BOTH), AN DEN THARS CONVENIENT BUTN 2 BOTH SAVE AN DEN SHARE UR FOTO WIF TEH WURLD!
Grab your G1, open Android Market, and download the Lolcat Builder by David Brown. Once installed, you simply select a photo, add your lolcat captions to the top or bottom (or both), and then there's a convenient button to both save and then share your photo with the world!