[Help] Translating OpenManager

Hi there im sorry for been newb
i have the sdk and everything
i know almost everything on the OpenManager is 1PNG File
so i translated it...
now i have little problem
on the graphics.cpp i have that lines...

void draw_text_stroke_bool(float x, float y, float size, bool on)
{
u32 color = on ? 0xff00ff00 : 0xff0000ff;
draw_text_stroke(x, y, size, color, on ? "ON" : "OFF");
}

#if 0
if (direct_boot == 1)
{
draw_text_stroke(0.89f, 0.535f, 0.8f, 0xff00ff00, "ON");
}
else
{
draw_text_stroke(0.89f, 0.535f, 0.8f, 0xff0000ff, "OFF");
}
#endif

My Lang is Hebrew so its Right to left lang thats other problem lol :)
but want only to change the "ON", "OFF", "HOMEBREW", "GAME" To Png images so how can i do this
what libs i need to include
it will be greate if some one can help me...
and if you can help me to change the directions from left to right to right to left...
change the images(games images) to show on the right side and the "ON", "OFF", "HOMEBREW", "GAME"...

Thank you very much